BUG: Fixes zipline ingest with non-default bundle on python 2
BUG: Fixes zipline ingest with non-default bundle on python 2

Scapogo/zipline,bartosh/zipline,quantopian/zipline,florentchandelier/zipline,Scapogo/zipline,bartosh/zipline,humdings/zipline,quantopian/zipline,enigmampc/catalyst,enigmampc/catalyst,magne-max/zipline-ja,magne-max/zipline-ja,florentchandelier/zipline,humdings/zipline,alphaBenj/zipline,alphaBenj/zipline