code: def _verbose_message(message, *args, **kwargs):
      
      verbosity = kwargs.pop('verbosity', 1)
      if sys.flags.verbose >= verbosity:
          if not message.startswith(('#', 'import ')):
              message = '# ' + message
          print(message.format(*args), file=sys.stderr)
docs: Print the message to stderr if -v/PYTHONVERBOSE is turned on.