def subdrivers(self):
        return [c for c in self if has_interface(c, IDriver)]
Given a readable file object which represents a .svn/entries file in
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/workflow.py/Workflow.subdrivers--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/python/versions.py/Version._parseSVNEntries_4