def union(self, geom, **kwargs):
        return self._geomset_attribute('union', geom, **kwargs)

    # ### Private API -- Abstracted DRY routines. ###
Encode a sequence of two-element tuples or dictionary into a URL query string.
dataset/ETHPy150Open django/django/django/contrib/gis/db/models/query.py/GeoQuerySet.union--crossover with--dataset/ETHPy150Open ofermend/medicare-demo/socialite/jython/Lib/urllib.py/urlencode