code: def import_image(self, name, tags=None):
          
          stream_import_file = os.path.join(self.os_conf.get_build_json_store(),
                                            'image_stream_import.json')
          with open(stream_import_file) as f:
              stream_import = json.load(f)
          return self.os.import_image(name, stream_import, tags=tags)
docs: Import image tags from a Docker registry into an ImageStream
  
          :return: bool, whether tags were imported