code: def __iter__(self) -> t.Iterator[bytes]:
      return iter(self._echo(x) for x in self._input)
  
imports: import contextlib
  import io
  import os
  import shlex
  import shutil
  import sys
  import tempfile
  import typing
  from types import TracebackType
  from .None import formatting
  from .None import termui
  from .None import utils
  from ._compat import _find_binary_reader
label_desc: Use image node_id 8 for calling the EchoingStdin obj's underlying member method code with example usage: obj.__iter__() and returns: iter