Wed, 16 Aug 2017 12:21:05 +0300 Andrey Skvortsov clean-up: fix PEP8 E201 whitespace after '{'
Wed, 16 Aug 2017 12:03:46 +0300 Andrey Skvortsov clean-up: fix PEP8 E202 whitespace before ')'
Wed, 16 Aug 2017 11:47:27 +0300 Andrey Skvortsov clean-up: fix PEP8 E227 missing whitespace around bitwise or shift operator