def subgroups(self, local=False, recurse=False, include_self=False):
        return self.subsystems(local=local, recurse=recurse, typ=Group,
                               include_self=include_self)
updates the persistant favorite store 
dataset/ETHPy150Open OpenMDAO/OpenMDAO/openmdao/core/group.py/Group.subgroups--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.5/extras/completion/py/maya/app/general/tlfavorites.py/TLFavoriteStore.update