def _clear_cache(self):
    for key in self._defaults:
      try:
        delattr(self, key)
      except AttributeError:
        pass
Equivalent to adding -f flag to bash invocation of ln
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/api/lib_config.py/ConfigHandle._clear_cache--crossover with--dataset/ETHPy150Open CiscoCloud/mantl/docker.py/symlink_force