code: def mock_utcnow():
      return datetime.datetime.strptime(
          _UTCNOW_STR, "%Y-%m-%dT%H:%M:%S"
      )
  
imports: import datetime
  import json
  import os
  import time
  import urllib
  from absl import flags
  from tensorflow.python.platform import test
  from tensorflow.python.tpu.client import client
label_desc: Use image node_id 1 for calling a global function with example usage: mock_utcnow() and returns: datetime