Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 02 Oct 2018 17:18:09 +0300] rev 2417
cleanup: pylint, R0123 # (literal-comparison) Comparison to literal
Andrey Skvortsov <andrej.skvortzov@gmail.com> [Tue, 02 Oct 2018 16:53:14 +0300] rev 2416
Use predefined constants for PlcStatus instead of string literals