message: Fix typo in TPUClusterResolver that prevents proper name resolution.
diff: @@ -64,7 +64,7 @@ class TPUClusterResolver(ClusterResolver):
  if self._service:
  return self._service
  - credentials = self.credentials
  + credentials = self._credentials
  if credentials is None or credentials == 'default':
  credentials = GoogleCredentials.get_application_default()
  