Fri, 06 Oct 2017 17:52:34 +0300fix pylint warning '(unused-import), Unused import connectors'
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Fri, 06 Oct 2017 17:52:34 +0300] rev 1850
fix pylint warning '(unused-import), Unused import connectors'