Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 10 Oct 2017 13:21:48 +0300] rev 1858
fix pylint warning '(import-self) Module import itself'
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 10 Oct 2017 12:50:10 +0300] rev 1857
remove old code useless code found by pylint "(unnecessary-pass) Unnecessary pass statement"