Fix pep8 for test_implicit_ref.py
Fix pep8 for test_implicit_ref.py

garnaat/troposphere,unravelin/troposphere,craigbruce/troposphere,jantman/troposphere,pas256/troposphere,wangqiang8511/troposphere,cloudtools/troposphere,pas256/troposphere,cloudtools/troposphere,7digital/troposphere,dmm92/troposphere,Yipit/troposphere,samcrang/troposphere,cryptickp/troposphere,xxxVxxx/troposphere,WeAreCloudar/troposphere,DualSpark/troposphere,kid/troposphere,amosshapira/troposphere,alonsodomin/troposphere,dmm92/troposphere,micahhausler/troposphere,horacio3/troposphere,horacio3/troposphere,yxd-hde/troposphere,mannytoledo/troposphere,jdc0589/troposphere,mhahn/troposphere,7digital/troposphere,Hons/troposphere,inetCatapult/troposphere,iblazevic/troposphere,ptoraskar/troposphere,nicolaka/troposphere,johnctitus/troposphere,LouTheBrew/troposphere,ikben/troposphere,ccortezb/troposphere,ikben/troposphere,alonsodomin/troposphere,johnctitus/troposphere