message: Minor adjustments to an error message.
diff: @@ -72,9 +72,9 @@ def _query_tpu_system_metadata(master_address, run_config,
  tpu_core_count += 1
  break
  except errors.DeadlineExceededError:
  - msg = ('Fail to connect Tensorflow master. It could be the TPU worker is '
  - 'not ready (still under scheduling) or Tensorflow '
  - 'master address is correct: got (%s).' %
  + msg = ('Failed to connect to the Tensorflow master. The TPU worker may '
  + 'not be ready (still scheduling) or the Tensorflow master address '
  + 'is incorrect: got (%s).' %
  (master_address))
  # TODO(xiejw): For local or grpc master we might not need retry logic
  