docs: def _init_taskqueue_stub(self, **stub_kwargs):
          """Initializes the taskqueue stub using nosegae config magic"""
          task_args = {}
          # root_path is required so the stub can find 'queue.yaml' or 'queue.yml'
          if 'root_path' not in stub_kwargs:
              for p in self._app_path:
                  # support --gae-application values that may be a .yaml file
                  dir_ = os.path.dirname(p) if os.path.isfile(p) else p
                  if os.path.isfile(os.path.join(dir_, 'queue.yaml')) or \
                          os.path.isfile(os.path.join(dir_, 'queue.yml')):
                      task_args['root_path'] = dir_
                      break
          task_args.update(stub_kwargs)
          self.testbed.init_taskqueue_stub(**task_args)