fix exception.'
fix exception.'

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