def centroid(self, **kwargs):
        return self._geom_attribute('centroid', **kwargs)
Starts by cooperating.
dataset/ETHPy150Open dcramer/django-compositepks/django/contrib/gis/db/models/query.py/GeoQuerySet.centroid--crossover with--dataset/ETHPy150Open Axelrod-Python/Axelrod/axelrod/tests/unit/test_cooperator.py/TestCooperator.test_strategy