class_docstr: WIT widget base class for common code between Jupyter and Colab.
code: def _get_element_html(self):
      return """
        <link rel="import" href="/nbextensions/wit-widget/wit_jupyter.html">"""
  
imports: import base64
  import json
  import googleapiclient.discovery
  import os
  import logging
  import multiprocessing
  import tensorflow
  from IPython import display
  from google.protobuf import json_format
  from numbers import Number
  from oauth2client.client import GoogleCredentials
  from six import ensure_str
  from six import integer_types
  from utils import inference_utils
label_desc: Use image node_id 2 for calling the WitWidgetBase obj's underlying member method code with example usage: obj._get_element_html() and returns: str