code: def run_display_app_errors(self, err):
          
          if err is not None and err:
              for e_ in err.decode('utf-8').split('\n'):
                  print('{}{}{}'.format(c.Style.BRIGHT, c.Fore.RED, e_))
                  self.log.error('[tcrun] App error: {}'.format(e_))
docs: Handle the exit code for the current run.
  
          Args:
              err (str): One or more lines of errors messages.