disallow defaulting to owning all partitions - owning none is less confounding
disallow defaulting to owning all partitions - owning none is less confounding

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