code: def __init__(self, data):
      assert is_external(data)
      self._data = data
  
imports: from __future__ import absolute_import
  import re
  import sys
  import copy
  import logging
  from .None import tools
  from datetime import date, datetime
  import enum
  import six
label_desc: Use image node_id 1 to create a new ExternalDataInfo object from inherited base classes: object with example: obj = ExternalDataInfo(data)