def __sub__(self, s):
        return self.getDifference(s)
Testing GeoQuerySet.geohash().
dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/core/nodetypes.py/SelectionSet.__sub__--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/gis/tests/geoapp/tests.py/GeoQuerySetTest.test_geohash