Logging message formatting typo

gym/scoreboard/api.py

@@ -117,7 +117,7 @@ def _upload(training_dir, algorithm_id=None, writeup=None, benchmark_run_id=None
         elif training_video_id is not None:
             logger.info('[%s] Creating evaluation object from %s with training video', env_id, training_dir)
         else:
-            raise error.Error("[%s] You didn't have any recorded training data in {}. Once you've used 'env.monitor.start(training_dir)' to start recording, you need to actually run some rollouts. Please join the community chat on https://gym.openai.com if you have any issues.".format(env_id, training_dir))
+            raise error.Error("[{}] You didn't have any recorded training data in {}. Once you've used 'env.monitor.start(training_dir)' to start recording, you need to actually run some rollouts. Please join the community chat on https://gym.openai.com if you have any issues.".format(env_id, training_dir))
 
     evaluation = resource.Evaluation.create(
         training_episode_batch=training_episode_batch_id,