code: def get_binary_stdin() -> t.BinaryIO:
      reader = _find_binary_reader(sys.stdin)
      if reader is None:
          raise RuntimeError(
              "Was not able to determine binary stream for sys.stdin."
          )
      return reader
  
imports: import codecs
  import io
  import os
  import re
  import sys
  import typing
  from weakref import WeakKeyDictionary
label_desc: Use image node_id 14 for calling a global function with example usage: get_binary_stdin() and returns: reader