class_docstr: Simple wrapper around stdin.
class_docstr_tok: ["Simple","wrapper","around","stdin","."]
code: def fileno(self):
      return self.stdin.fileno()
  
imports: from __future__ import unicode_literals
  from .utils import DummyContext, is_windows
  from abc import ABCMeta, abstractmethod
  from six import with_metaclass
  import io
  import os
  import sys
label_desc: Use image node_id 5 for calling the StdinInput obj's underlying member method code with example usage: obj.fileno() and returns: self