code: def _nullpager(stream, generator, color):
      """Simply print unformatted text.  This is the ultimate fallback."""
      for text in generator:
          if not color:
              text = strip_ansi(text)
          stream.write(text)
  
imports: import contextlib
  import math
  import os
  import sys
  import time
  from ._compat import _default_text_stdout
  from ._compat import CYGWIN
  from ._compat import get_best_encoding
  from ._compat import int_types
  from ._compat import isatty
  from ._compat import open_stream
  from ._compat import range_type
  from ._compat import strip_ansi
  from ._compat import term_len
  from ._compat import WIN
  from .exceptions import ClickException
  from .utils import echo
label_desc: Use image node_id 5 for calling a global function with example usage: _nullpager(stream, generator, color) without return types