From f8c25d3b717c52a4367a332d1f5fb94c7f907b98 Mon Sep 17 00:00:00 2001 From: Antonin RAFFIN Date: Sat, 29 Aug 2020 20:04:19 +0200 Subject: [PATCH] Fix f-string in max episodes callback (#152) --- stable_baselines3/common/callbacks.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/stable_baselines3/common/callbacks.py b/stable_baselines3/common/callbacks.py index 8f8b572..fe26199 100644 --- a/stable_baselines3/common/callbacks.py +++ b/stable_baselines3/common/callbacks.py @@ -470,7 +470,7 @@ class StopTrainingOnMaxEpisodes(BaseCallback): if self.verbose > 0 and not continue_training: mean_episodes_per_env = self.n_episodes / self.training_env.num_envs mean_ep_str = ( - "with an average of {mean_episodes_per_env:.2f} episodes per env" if self.training_env.num_envs > 1 else "" + f"with an average of {mean_episodes_per_env:.2f} episodes per env" if self.training_env.num_envs > 1 else "" ) print(