def sym_difference(self, other):
        return self._topology(capi.geos_symdifference(self.ptr, other.ptr))
Verify that hidden methods are not in run docs
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/gis/geos/geometry.py/GEOSGeometry.sym_difference--crossover with--dataset/ETHPy150Open saltstack/salt/tests/integration/shell/runner.py/RunTest.test_notin_docs