Fxing small bug in the category alias prefetch stuff
Fxing small bug in the category alias prefetch stuff

teserak/peewee,wenxer/peewee,Sunzhifeng/peewee,coreos/peewee,new-xiaji/peewee,jarrahwu/peewee,py4a/peewee,Sunzhifeng/peewee,jarrahwu/peewee,lez/peewee,new-xiaji/peewee,fuzeman/peewee,zhang625272514/peewee,zhang625272514/peewee,mackjoner/peewee,jnovinger/peewee,coleifer/peewee,zhang625272514/peewee,fuzeman/peewee,coreos/peewee,bopo/peewee,Dipsomaniac/peewee,softside/peewee,ronyb29/peewee,new-xiaji/peewee,Dipsomaniac/peewee,bopo/peewee,jarrahwu/peewee,jnovinger/peewee,d1hotpep/peewee,Dipsomaniac/peewee,coleifer/peewee,Sunzhifeng/peewee,stas/peewee,coreos/peewee,bopo/peewee,coleifer/peewee,ghukill/peewee,wenxer/peewee,d1hotpep/peewee