class_docstr: iterator dataset initailizer 
class_docstr_tok: ["iterator","dataset","initailizer"]
code: def after_create_session(self, session, coord):
      del coord
      session.run(self._initializer, self._init_feed_dict)
  
imports: import delta.compat
  from bisect import bisect_right
  from absl import logging
label_desc: Use image node_id 3 for calling the DatasetInitializerHook obj's underlying member method code with example usage: obj.after_create_session(session, coord) without return types