class_docstr: Client for working with the Cloud TPU API.
  
  This client is intended to be used for resolving tpu name to ip addresses.
  
  It's recommended to use this library as a contextlib to utilize all
  functionality.
docstr: Returns the full Cloud name for this TPU.
code: def _full_name(self):
      """Returns the full Cloud name for this TPU."""
      return "projects/%s/locations/%s/nodes/%s" % (
          self._project,
          self._zone,
          self._tpu,
      )
  
imports: from concurrent import futures
  import datetime
  import json
  import logging
  import os
  import time
  import urllib
  from absl import flags
label_desc: Use image node_id 6 for calling the Client obj's underlying member method code with example usage: obj._full_name() and returns: unknown