diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index f5e1ca52b26dfbc94f84cc516f220f2322e85533..f2af4f4fa6482aa460d4acfc317fafb78426951e 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -126,9 +126,12 @@ If you commit new Python files, please note that they have to contain the follow
     # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
     #
     # This program is free software: you can redistribute it and/or modify it under
-    # the terms of the GNU Lesser General Public License as published by the Free
-    # Software Foundation, either version 3 of the License, or (at your option) any
-    # later version.
+    # the terms of the GNU General Public License as published by the Free Software
+    # Foundation, either version 3 of the License, or (at your option) any later
+    # version. Please note the following exception: `EnPT` depends on tqdm, which
+    # is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+    # "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+    # Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
     #
     # This program is distributed in the hope that it will be useful, but WITHOUT
     # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/LICENSE b/LICENSE
index 0053c3ad3f0939dcadc055fc577c426617bdee44..7d0a8f5bd9b94cb060f10f0d0865f8fba7552b16 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,3 +1,12 @@
+`EnPT` is distributed under the GNU General Public License, version 3 (GPLv3).
+
+Exceptions are listed in the following:
+
+* `EnPT` depends on tqdm, which is distributed under the Mozilla Public
+  Licence (MPL) v2.0 except for the files "tqdm/_tqdm.py", "setup.py",
+  "README.rst", "MANIFEST.in" and ".gitignore". Details can be found here:
+  https://github.com/tqdm/tqdm/blob/master/LICENCE.
+
 
 GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007
diff --git a/bin/enpt_cli.py b/bin/enpt_cli.py
index f6b84bd0c742a40e661fe544985554b07a2782af..79a17da5aa5fd2cfec738b1b69d12a8f3f2dd10d 100644
--- a/bin/enpt_cli.py
+++ b/bin/enpt_cli.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/__init__.py b/enpt/__init__.py
index d327ac9ad75783ab603c77363dcf4a68972906c7..726808085b981f90739869c44f358fcc76f48c06 100644
--- a/enpt/__init__.py
+++ b/enpt/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/execution/__init__.py b/enpt/execution/__init__.py
index 2695b5ad9eeaaeb7e1ebfa4c90762499b4077217..3bf355811ad41f22562e674dbb34929e6d70dcf1 100644
--- a/enpt/execution/__init__.py
+++ b/enpt/execution/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/execution/controller.py b/enpt/execution/controller.py
index be9235b1c1548c38c054ef758a92899c1daab779..d609a0ab01ffbeeafa4a457c054f9674f72df7a5 100644
--- a/enpt/execution/controller.py
+++ b/enpt/execution/controller.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/io/__init__.py b/enpt/io/__init__.py
index 43f3df6b696629f2cfaed709fd88b12c5dfd8eb7..e7c175e4b50557cbd9fc2b2a249b06bf47deaa5a 100644
--- a/enpt/io/__init__.py
+++ b/enpt/io/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/io/reader.py b/enpt/io/reader.py
index 7101ffa17e5ffbedc24339d2b6a5ac590a48a28f..1ff4c354eeb3620eb23df206f3f66a70d76dc307 100644
--- a/enpt/io/reader.py
+++ b/enpt/io/reader.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/model/__init__.py b/enpt/model/__init__.py
index 13ccfb62a72a891f0cc5b8008dc2a9a51a220108..7f3be601dd73ebdd540af82ceb50aae9a3d05d77 100644
--- a/enpt/model/__init__.py
+++ b/enpt/model/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/model/images.py b/enpt/model/images.py
index 9afa1c0479386ab10f589bd205b108c4ceac2bb9..7f556bc04e6e3ae5f31b6fa0a781f7b00814dc19 100644
--- a/enpt/model/images.py
+++ b/enpt/model/images.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/model/metadata.py b/enpt/model/metadata.py
index 638934b22e3f4cdef187c31115f539c5099346a8..091b80bf83b9e8312f9221b8f15e4632b82bdba3 100644
--- a/enpt/model/metadata.py
+++ b/enpt/model/metadata.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/model/srf.py b/enpt/model/srf.py
index fca9d7399c69859ee8ed7f1371a80ed3e310572c..4afe90d89c2d1c916433a2532fe01a3f649dee7f 100644
--- a/enpt/model/srf.py
+++ b/enpt/model/srf.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/options/__init__.py b/enpt/options/__init__.py
index 56b2a3b6e3268529f72cbdf11604184cf850fb84..8e27ebd66e6043365efeef2348fa499e017049e2 100644
--- a/enpt/options/__init__.py
+++ b/enpt/options/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/options/config.py b/enpt/options/config.py
index 20373f0bb45ce4f3913bf0639e90aa941fb3eb8d..2c3a639d8ee1b0cae09222dd16f7e02190cc2bd2 100644
--- a/enpt/options/config.py
+++ b/enpt/options/config.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/options/options_schema.py b/enpt/options/options_schema.py
index 3dd2add6e983fd41b016551d8569361ed44fdff3..251c3d3080c6979d84dc2c6e2e17fdf69f064eba 100644
--- a/enpt/options/options_schema.py
+++ b/enpt/options/options_schema.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/__init__.py b/enpt/processors/__init__.py
index 0e52e04013baf18b2f3310ce5d61307a35611ea4..942e700a913722c5945425056877a5d939ea4873 100644
--- a/enpt/processors/__init__.py
+++ b/enpt/processors/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/atmospheric_correction/__init__.py b/enpt/processors/atmospheric_correction/__init__.py
index 7dadf82580a5fb726bfbdcfd6c72fd825542b14f..4166f16e313bc801bdd7930d5b9414b174425f73 100644
--- a/enpt/processors/atmospheric_correction/__init__.py
+++ b/enpt/processors/atmospheric_correction/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/atmospheric_correction/atmospheric_correction.py b/enpt/processors/atmospheric_correction/atmospheric_correction.py
index 811acc16a3abdea1212f63f947518b8d09666cc5..e8c7ee83d4da2fde915d921a19066a02dda5b6be 100644
--- a/enpt/processors/atmospheric_correction/atmospheric_correction.py
+++ b/enpt/processors/atmospheric_correction/atmospheric_correction.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/cloud_screening/__init__.py b/enpt/processors/cloud_screening/__init__.py
index 1c4151527f3e42197ee897179656e0a50076b8f4..0cc1508162d646a12b70569bfa1917e1067cb4a7 100644
--- a/enpt/processors/cloud_screening/__init__.py
+++ b/enpt/processors/cloud_screening/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/cloud_screening/cloud_screening.py b/enpt/processors/cloud_screening/cloud_screening.py
index ce520a678a3e09fd3f750091a4b5cab762b7ddea..2ded275e356bacf0bc901538062f73bbd5980d68 100644
--- a/enpt/processors/cloud_screening/cloud_screening.py
+++ b/enpt/processors/cloud_screening/cloud_screening.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/dead_pixel_correction/__init__.py b/enpt/processors/dead_pixel_correction/__init__.py
index 0a9e057888748a69929a0a78fd4be2c7cf10beb6..ecd47b148fd42baa2aa9fc2217a208b440d38e80 100644
--- a/enpt/processors/dead_pixel_correction/__init__.py
+++ b/enpt/processors/dead_pixel_correction/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/dead_pixel_correction/dead_pixel_correction.py b/enpt/processors/dead_pixel_correction/dead_pixel_correction.py
index c74cc2f68b84adc05cffcc47d180a92ac0983e15..071a304f450467aa7c9774ee4d94feebfd635370 100644
--- a/enpt/processors/dead_pixel_correction/dead_pixel_correction.py
+++ b/enpt/processors/dead_pixel_correction/dead_pixel_correction.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/dem_preprocessing/__init__.py b/enpt/processors/dem_preprocessing/__init__.py
index 9c8e836533c7ea1ee8f4c120f91df28f0ff48cbe..2d382c0a251de9cb9ebfe52d55a1cfcbdedf9b49 100644
--- a/enpt/processors/dem_preprocessing/__init__.py
+++ b/enpt/processors/dem_preprocessing/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/dem_preprocessing/dem_preprocessing.py b/enpt/processors/dem_preprocessing/dem_preprocessing.py
index 2668bc53cc520788e864cb7394d9c19b53ad346a..d9dfca92ada6482ecc764eb61677230d1b6ba5e4 100644
--- a/enpt/processors/dem_preprocessing/dem_preprocessing.py
+++ b/enpt/processors/dem_preprocessing/dem_preprocessing.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/image_correction/__init__.py b/enpt/processors/image_correction/__init__.py
index d30bdf00fa62588d6c9d1fcfe6ea2b98b0ac1cb0..0db6b55a7e0dcac66fa0982e75e09cc81d839f38 100644
--- a/enpt/processors/image_correction/__init__.py
+++ b/enpt/processors/image_correction/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/image_correction/image_correction.py b/enpt/processors/image_correction/image_correction.py
index eadfdd55b35f4b486c845edfc6cd45383182efb3..d7dd4d49365a0dde62d8710ac141cd53b9f0af1b 100644
--- a/enpt/processors/image_correction/image_correction.py
+++ b/enpt/processors/image_correction/image_correction.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/orthorectification/__init__.py b/enpt/processors/orthorectification/__init__.py
index 92a361a2ba680da73e6f72965ad7cd4381ae464a..8172803bd9c421efa63af7c3303b82567a2db7aa 100644
--- a/enpt/processors/orthorectification/__init__.py
+++ b/enpt/processors/orthorectification/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/orthorectification/orthorectification.py b/enpt/processors/orthorectification/orthorectification.py
index 2c52ba1057197101a49e8ccfe37e7e9628bc6307..b3b2d98d8e34ff7db22d930a3532bc95c2b716fc 100644
--- a/enpt/processors/orthorectification/orthorectification.py
+++ b/enpt/processors/orthorectification/orthorectification.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/radiometric_transform/__init__.py b/enpt/processors/radiometric_transform/__init__.py
index 660955fa3a71c0c75d89544e117ebd268475df81..94cea2ec0d633ccd56dc3489b82cea46d7492100 100644
--- a/enpt/processors/radiometric_transform/__init__.py
+++ b/enpt/processors/radiometric_transform/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/radiometric_transform/radiometric_transform.py b/enpt/processors/radiometric_transform/radiometric_transform.py
index 7fb5ddcc8864d78155cbb9f8b298618a6006e307..ae012c1896405024c834819b18ff25883761c638 100644
--- a/enpt/processors/radiometric_transform/radiometric_transform.py
+++ b/enpt/processors/radiometric_transform/radiometric_transform.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/spatial_module/__init__.py b/enpt/processors/spatial_module/__init__.py
index 9407cc293e522d29354ea7cc004d309cc5765113..4eab71c1de5e847e47b5957a4c2338b6596ddb84 100644
--- a/enpt/processors/spatial_module/__init__.py
+++ b/enpt/processors/spatial_module/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/spatial_module/spatial_module.py b/enpt/processors/spatial_module/spatial_module.py
index ee7d5cc0b4ec4acf83cf56ed1459fcb06f1db76f..2c4f71d33b54e9e13a4778187850d9d1aae2b82e 100644
--- a/enpt/processors/spatial_module/spatial_module.py
+++ b/enpt/processors/spatial_module/spatial_module.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/spatial_optimization/__init__.py b/enpt/processors/spatial_optimization/__init__.py
index d38fda34742ec59846e76c5104c2d074a4e32fc1..89d14bfb9915978d91d5a3acb936b0fc4ccd496a 100644
--- a/enpt/processors/spatial_optimization/__init__.py
+++ b/enpt/processors/spatial_optimization/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/spatial_optimization/spatial_optimization.py b/enpt/processors/spatial_optimization/spatial_optimization.py
index 88f234ceef8e999b2506628ceec9155920e01b47..b549fd8e99ee43f9c53c568329d5e66fbf563582 100644
--- a/enpt/processors/spatial_optimization/spatial_optimization.py
+++ b/enpt/processors/spatial_optimization/spatial_optimization.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/spatial_transform/__init__.py b/enpt/processors/spatial_transform/__init__.py
index 6825eb1eaefad2574f8f0261e72662e6d63ecec7..c61167cc1cb25aed4398d119c8f600547b635f51 100644
--- a/enpt/processors/spatial_transform/__init__.py
+++ b/enpt/processors/spatial_transform/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/processors/spatial_transform/spatial_transform.py b/enpt/processors/spatial_transform/spatial_transform.py
index 38666aa7a7f5a473f277f54f17a38ef66969f67a..91f1e99afe25487caf9b5dacc6377d37d361d4ed 100644
--- a/enpt/processors/spatial_transform/spatial_transform.py
+++ b/enpt/processors/spatial_transform/spatial_transform.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/utils/__init__.py b/enpt/utils/__init__.py
index 7ac13bf276908077369d34bd557eeefadb55ee32..09c37e4efe11d923acf49bfbefb6deae50940fd8 100644
--- a/enpt/utils/__init__.py
+++ b/enpt/utils/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/utils/logging.py b/enpt/utils/logging.py
index b2c2c6ee19b19925ce4a3e9ea7fdd98db2fd0289..91a1da6ffb5637bac26ba06380c157ed2c9ab911 100644
--- a/enpt/utils/logging.py
+++ b/enpt/utils/logging.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/utils/path_generator.py b/enpt/utils/path_generator.py
index e414890162853f29a8a3c06181ad336d28185e35..a79fdd8c85ee9f86e8b1c570f495771b6fd4e1a5 100644
--- a/enpt/utils/path_generator.py
+++ b/enpt/utils/path_generator.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/enpt/version.py b/enpt/version.py
index 5b248c8e6ccb61f394b20e96af5a8121d35266b6..5f1c8ec9fa73f082c6113d591fb8869f90c7ada7 100644
--- a/enpt/version.py
+++ b/enpt/version.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/setup.py b/setup.py
index 80d1622610cbe24153926ec986f81dd76233262e..d4c1c48e3a406a063d8143dc4bdd6c65c4b7da67 100644
--- a/setup.py
+++ b/setup.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/__init__.py b/tests/__init__.py
index df9dc40fca00da108c68b743af356b2003674151..e339ac16bac963664b1b78037ecfaac7d5abcad3 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -12,9 +12,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_cli_parser.py b/tests/test_cli_parser.py
index 3c1c2b528f5b30a6d3df7d511ba1ce5f09fceefb..64951fb7f2249506dd896f28d736595874203f11 100644
--- a/tests/test_cli_parser.py
+++ b/tests/test_cli_parser.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_config.py b/tests/test_config.py
index 09813af0aae2fc8468bb11b1117c135ed656b1f7..1449b1611fc56cde65ae895d33fea80a5ca38448 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_controller.py b/tests/test_controller.py
index 0b61c3a125984d1c52efa985719dfa81b30d6ea3..8dcd40f9a6f1ec9186a975aedaed0a61efc59981 100644
--- a/tests/test_controller.py
+++ b/tests/test_controller.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_dead_pixel_correction.py b/tests/test_dead_pixel_correction.py
index 518e83161c4051e5d17816214effa146e0754428..f8f5e208c6428d42c5da7554c47bc5ee398f6cd4 100644
--- a/tests/test_dead_pixel_correction.py
+++ b/tests/test_dead_pixel_correction.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_dem_preprocessing.py b/tests/test_dem_preprocessing.py
index f3b04748d0f3eb5a9f47c35356ef961da5b8d9dc..f3fd127d16c707b7355e7e1fbcaa0604c5692d47 100644
--- a/tests/test_dem_preprocessing.py
+++ b/tests/test_dem_preprocessing.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_l1b_reader.py b/tests/test_l1b_reader.py
index b7ed8fd0d38ab9cf4c547f405f77d9b397708c67..46fc99ce555645e2c517f366a42b6fa5050ca1fe 100644
--- a/tests/test_l1b_reader.py
+++ b/tests/test_l1b_reader.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_orthorectification.py b/tests/test_orthorectification.py
index c2fdc4e033b126445c9c00d72bfefdd1c2324f34..d3746151e7f58f81626266b5e37c1ff2c8f3d67a 100644
--- a/tests/test_orthorectification.py
+++ b/tests/test_orthorectification.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_radiometric_transform.py b/tests/test_radiometric_transform.py
index 384e3a8f6f3f8bd581c693e73b4ff85de5ddee7f..85e0428133fc33ce7fa51ea7a117cbe6ce43f260 100644
--- a/tests/test_radiometric_transform.py
+++ b/tests/test_radiometric_transform.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_spatial_transform.py b/tests/test_spatial_transform.py
index 2d40d407aff9ea6e0db57e062155aa02bc84220d..da9f6fb6d3958a47a6775720792bf7b4b27fffc6 100644
--- a/tests/test_spatial_transform.py
+++ b/tests/test_spatial_transform.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
diff --git a/tests/test_srf.py b/tests/test_srf.py
index 965e1b8d2830dbf1de02775f27b79a42bb234ff0..614bc235ab55e7cce394016572bf699abdd0db6a 100644
--- a/tests/test_srf.py
+++ b/tests/test_srf.py
@@ -13,9 +13,12 @@
 # 50 EE 1529) and contributions from DLR, GFZ and OHB System AG.
 #
 # This program is free software: you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 3 of the License, or (at your option) any
-# later version.
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version. Please note the following exception: `EnPT` depends on tqdm, which
+# is distributed under the Mozilla Public Licence (MPL) v2.0 except for the files
+# "tqdm/_tqdm.py", "setup.py", "README.rst", "MANIFEST.in" and ".gitignore".
+# Details can be found here: https://github.com/tqdm/tqdm/blob/master/LICENCE.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS