class_docstr: Wraps a stream (such as stdout), acting as a transparent proxy for all
  attribute access apart from method 'write()', which is delegated to our
  Converter instance.
code: def closed(self):
      stream = self.__wrapped
      try:
          return stream.closed
      # AttributeError in the case that the stream doesn't support being closed
      # ValueError for the case that the stream has already been detached when atexit runs
      except (AttributeError, ValueError):
          return True
  
imports: import re
  import sys
  import os
  from .ansi import AnsiFore, AnsiBack, AnsiStyle, Style, BEL
  from .winterm import enable_vt_processing, WinTerm, WinColor, WinStyle
  from .win32 import windll, winapi_test
label_desc: Use image node_id 9 for calling the StreamWrapper obj's underlying member method code with example usage: obj.closed() and returns: stream, True