Capped version of pycodestyle to <2.4.0 due to bug if used together with flake8.

tests/CI_docker/context/environment_py_tools_ds.yml

@@ -24,7 +24,7 @@ dependencies:
     - six
     - spectral
     - flake8
-    - pycodestyle
+    - pycodestyle<2.4.0  # fixes ImportError: module 'pycodestyle' has no attribute 'break_around_binary_operator'
     - pylint
     - pydocstyle
     - nose