message: Correct GCE Metadata Endpoint Address (no HTTPS)
diff: @@ -52,7 +52,7 @@ _TPU_DEVICE_REGEX = re.compile(
  r'.*task:(?P<host_id>\d+)/.*device:TPU:(?P<core_id>\d+)$')
  _TPU_CONN_RETRIES = 120
  -_GCE_METADATA_ENDPOINT = 'https://metadata.google.internal'
  +_GCE_METADATA_ENDPOINT = 'http://metadata.google.internal'
  DeviceDetails = collections.namedtuple(
  'DeviceDetails', ['device_map', 'total_cores'])
  