Bugfix
Bugfix

GeoDistanceFilter uses distance_unit as field. But it has to be unit.

HackLinux/pyes,HackLinux/pyes,aparo/pyes,jayzeng/pyes,haiwen/pyes,HackLinux/pyes,Fiedzia/pyes,rookdev/pyes,rookdev/pyes,Fiedzia/pyes,aparo/pyes,mavarick/pyes,mavarick/pyes,haiwen/pyes,jayzeng/pyes,jayzeng/pyes,mavarick/pyes,haiwen/pyes,aparo/pyes,Fiedzia/pyes