@property
    def cur_byte_pos(self):
        return self._file_obj.tell()
Overloaded from ModelAdmin so that an OpenLayersWidget is used
dataset/ETHPy150Open mahmoud/boltons/boltons/jsonutils.py/JSONLIterator.cur_byte_pos--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/gis/admin/options.py/GeoModelAdmin.formfield_for_dbfield