Andrey Skvortsov <andrej.skvortzov@gmail.com> [Wed, 16 Aug 2017 11:47:27 +0300] rev 1745
clean-up: fix PEP8 E227 missing whitespace around bitwise or shift operator
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 15 Aug 2017 22:38:43 +0300] rev 1744
clean-up: fix PEP8 E251 unexpected spaces around keyword / parameter equals
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 15 Aug 2017 17:01:51 +0300] rev 1743
clean-up: fix PEP8 E711 comparison to None should be 'if cond is not None:'