

def get_db_prep_save(self, value, connection):
    if ((value == '') or (value == None)):
        return None
    else:
        return self.rel.get_related_field().get_db_prep_save(value, connection=value)

dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/models/fields/related.py ForeignKey.get_db_prep_save/VarMisuse@54/65 `connection`->`value`