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 __exit__(self, *args, **kwargs):
      return self.__wrapped.__exit__(*args, **kwargs)
  
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 4 for calling the StreamWrapper obj's underlying member method code with example usage: obj.__exit__() and returns: self