Fix.

arosics/__init__.py

@@ -4,8 +4,8 @@
 
 __author__ = """Daniel Scheffler"""
 __email__ = 'daniel.scheffler@gfz-potsdam.de'
-__version__ = '0.4.21'
-__versionalias__ = '2017-09-05_01'
+__version__ = '0.4.22'
+__versionalias__ = '2017-09-05_02'
 
 import warnings
 

bin/arosics_cli.py

@@ -367,7 +367,7 @@ if __name__ == '__main__':
     parser = get_arosics_argparser()
     parsed_args = parser.parse_args()
 
-    if sys.argv  == 1:
+    if len(sys.argv) == 1:
         # no arguments provided
         print('======================================================================\n'
               '#                            AROSICS v%s                         #'%__version__+'\n'

setup.py

@@ -27,7 +27,7 @@ test_requirements = ['coverage']
 
 setup(
     name='arosics',
-    version='0.4.21',
+    version='0.4.22',
     description="An Automated and Robust Open-Source Image Co-Registration Software for Multi-Sensor Satellite Data",
     long_description=readme + '\n\n' + history,
     author="Daniel Scheffler",