Removed PyChecker warning
Removed PyChecker warning

kblin/supybot-gsoc,Ban3/Limnoria,prashantpawar/supybot-rothbot,Ban3/Limnoria,ProgVal/Limnoria-test,raboof/supybot,buildbot/supybot,ProgVal/Limnoria-test,mazaclub/mazabot-core,haxwithaxe/supybot,frumiousbandersnatch/supybot-code,mazaclub/mazabot-core,jeffmahoney/supybot