class_docstr: Given as a parameter to the inputhook.
docstr: Return True when the input is ready.
code: def input_is_ready(self):
      """
      Return True when the input is ready.
      """
      return self._input_is_ready(wait=False)
  
file_path: catboost/contrib/python/prompt-toolkit/py2/prompt_toolkit/eventloop/inputhook.py
imports: from __future__ import unicode_literals
  import os
  import threading
  from prompt_toolkit.utils import is_windows
  from .select import select_fds
label_desc: Use image node_id 2 for calling the InputHookContext obj's underlying member method code with example usage: obj.input_is_ready() and returns: self