code: def _proc_error(ifn: str, e: Exception) -> None:
          
          type_, value_, traceback_ = sys.exc_info()
          traceback.print_tb(traceback_, file=sys.stderr)
          print(file=sys.stderr)
          print("***** ERROR: %s" % ifn, file=sys.stderr)
          print(str(e), file=sys.stderr)
docs: Report an error
          :param ifn: Input file name
          :param e: Exception to report