code: def close(self):
      
      self.acquire()
      try:
        self.flush()
        try:
          # Do not close the stream if it's sys.stderr|stdout. They may be
          # redirected or overridden to files, which should be managed by users
          # explicitly.
          if self.stream not in (sys.stderr, sys.stdout) and (
              not hasattr(self.stream, 'isatty') or not self.stream.isatty()):
            self.stream.close()
        except ValueError:
          # A ValueError is thrown if we try to run isatty() on a closed file.
          pass
        super(PythonHandler, self).close()
      finally:
        self.release()
docs: Closes the stream to which we are writing.