fix more dictcomps for 2.6
fix more dictcomps for 2.6

appsoma/pykafka,wikimedia/operations-debs-python-pykafka,jofusa/pykafka,vortec/pykafka,jofusa/pykafka,wikimedia/operations-debs-python-pykafka,yungchin/pykafka,yungchin/pykafka,vortec/pykafka,aeroevan/pykafka,benauthor/pykafka,benauthor/pykafka,wikimedia/operations-debs-python-pykafka,appsoma/pykafka,benauthor/pykafka,aeroevan/pykafka,sontek/pykafka,tempbottle/pykafka,thedrow/samsa,sammerry/pykafka,thedrow/samsa,sammerry/pykafka,tempbottle/pykafka,sontek/pykafka,thedrow/samsa,fortime/pykafka,fortime/pykafka