def _has_filters(self):
        return self.query.has_filters()
Class method used by GeometryField on initialization to
dataset/ETHPy150Open django/django/django/db/models/query.py/QuerySet._has_filters--crossover with--dataset/ETHPy150Open django/django/django/contrib/gis/db/backends/base/models.py/SpatialRefSysMixin.get_spheroid