Upgrade python code style ckecker to flake8 3.6.0
- Upgrade the python code style ckecker
flake8
to its latest version (3.6.0) and all required dependencies as well - Fix a few additional code issues for the packages were the flake8 unit tests is used
- catching bare exceptions
- use double-backslash to print backslash
Edited by Frank Winklmeier