Deleted needless imports, according to pylint
Deleted needless imports, according to pylint

Signed-off-by: Jeff Forcier <f3e731dfa293c7a83119d8aacfa41b5d2d780be9@bitprophet.org>

qinrong/fabric,StackStorm/fabric,kmonsoor/fabric,xLegoz/fabric,bspink/fabric,hrubi/fabric,pashinin/fabric,elijah513/fabric,amaniak/fabric,itoed/fabric,tolbkni/fabric,rane-hs/fabric-py3,TarasRudnyk/fabric,mathiasertl/fabric,simon-engledew/fabric,bitmonk/fabric,MjAbuz/fabric,kxxoling/fabric,opavader/fabric,tekapo/fabric,getsentry/fabric,SamuelMarks/fabric,sdelements/fabric,jaraco/fabric,bitprophet/fabric,likesxuqiang/fabric,rbramwell/fabric,ericholscher/fabric,fernandezcuesta/fabric,cgvarela/fabric,raimon49/fabric,haridsv/fabric,felix-d/fabric,akaariai/fabric,pgroudas/fabric,rodrigc/fabric,cmattoon/fabric,ploxiln/fabric,askulkarni2/fabric