Merge pull request #1 from granddaifuku/feat/add_message

アップデートがなされていないときに表示するメッセージの追加

onlinejudge_command/main.py

@@ -276,12 +276,14 @@ def main(args: Optional[List[str]] = None) -> None:
         logger.info('see: https://github.com/online-judge-tools/oj')
         if not is_updated:
             logger.info('hint: try updating the version of online-judge-tools')
+            logger.info('Please run `$ pip install -U online-judge-tools online-judge-api-client`')
         sys.exit(1)
     except Exception as e:
         logger.debug('\n' + traceback.format_exc())
         logger.exception(str(e))
         if not is_updated:
             logger.info('hint: try updating the version of online-judge-tools')
+            logger.info('Please run `$ pip install -U online-judge-tools online-judge-api-client`')
         sys.exit(1)