code: def pfeedback(self, msg: str) -> None:
          
          if not self.quiet:
              if self.feedback_to_output:
                  self.poutput(msg)
              else:
                  self.decolorized_write(sys.stderr, "{}\n".format(msg))
docs: For printing nonessential feedback.  Can be silenced with `quiet`.
             Inclusion in redirected output is controlled by `feedback_to_output`.