def add_arg(self, arg):
        self._add_arg_to_map(arg)
If VCS is missing the entity in question, obsolete it.
dataset/ETHPy150Open kbknapp/Clapp-py/clapp/clapp.py/App.add_arg--crossover with--dataset/ETHPy150Open mozilla/pontoon/pontoon/sync/tests/test_core.py/UpdateEntityTests.test_obsolete