docstr: Forward raw_input to frontends
  
  Raises
  ------
  StdinNotImplentedError if active frontend doesn't support stdin.
docstr_tok: ["Forward","raw_input","to","frontends","Raises","--","--","--","StdinNotImplentedError","if","active","frontend","does","n't","support","stdin","."]
code: def raw_input(self, prompt=""):
      """Forward raw_input to frontends
  
      Raises
      ------
      StdinNotImplentedError if active frontend doesn't support stdin.
      """
      if not self._allow_stdin:
          raise StdinNotImplementedError(
              "raw_input was called, but this frontend does not support input requests."
          )
      return self._input_request(
          py3compat.cast_unicode_py2(prompt),
          self._parent_ident,
          self._parent_header,
          password=False,
      )
  
imports: from __future__ import print_function
  import sys
  import time
  import logging
  import uuid
  from datetime import datetime
  from signal import signal, default_int_handler, SIGINT
  import zmq
  from tornado import ioloop
  from zmq.eventloop.zmqstream import ZMQStream
  from traitlets.config.configurable import SingletonConfigurable
  from IPython.core.error import StdinNotImplementedError
  from ipython_genutils import py3compat
  from ipython_genutils.py3compat import unicode_type, string_types
  from ipykernel.jsonutil import json_clean
  from traitlets import Any, Instance, Float, Dict, List, Set, Integer, Unicode, Bool, observe, default
  from jupyter_client.session import Session
  from ._version import kernel_protocol_version
label_desc: Use image node_id 45 for calling the Kernel obj's underlying member method code with example usage: obj.raw_input(prompt) and returns: self