def METHOD_NAME():
    def _test_callback(x):  # pragma: no cover
        return x + 'a'
    with pytest.raises(exceptions.PlanetError):
        data_filter._range_filter('testfilter',
                                  'testfield',
                                  gt=None,
                                  gte=None,
                                  lt=None,
                                  lte=None,
                                  callback=_test_callback)