Mon, 09 Oct 2017 16:04:39 +0300fix pylint warning '(dangerous-default-value) Dangerous default value {} as argument'
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Mon, 09 Oct 2017 16:04:39 +0300] rev 1852
fix pylint warning '(dangerous-default-value) Dangerous default value {} as argument'