Fixed mistake of having a mutable default value for a keyword arg, changed default value to None instead
Fixed mistake of having a mutable default value for a keyword arg, changed default value to None instead

wangjun/djangae,jscissr/djangae,leekchan/djangae,leekchan/djangae,martinogden/djangae,jscissr/djangae,armirusco/djangae,trik/djangae,trik/djangae,pablorecio/djangae,asendecka/djangae,martinogden/djangae,pablorecio/djangae,wangjun/djangae,wangjun/djangae,kirberich/djangae,leekchan/djangae,asendecka/djangae,asendecka/djangae,grzes/djangae,armirusco/djangae,SiPiggles/djangae,kirberich/djangae,SiPiggles/djangae,grzes/djangae,SiPiggles/djangae,chargrizzle/djangae,potatolondon/djangae,chargrizzle/djangae,chargrizzle/djangae,trik/djangae,martinogden/djangae,kirberich/djangae,grzes/djangae,armirusco/djangae,pablorecio/djangae,potatolondon/djangae,jscissr/djangae