def sym_difference(self, other):
        return self._geomgen(capi.geom_sym_diff, other)
collapse subdriver iteration sets into single nodes in a
dataset/ETHPy150Open django/django/django/contrib/gis/gdal/geometries.py/OGRGeometry.sym_difference--crossover with--dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/depgraph.py/CollapsedGraph.collapse_subdrivers