diff --git a/convlab2/dst/dstc9/eval_model.py b/convlab2/dst/dstc9/eval_model.py
index c2013c566d5cb0de7248b5488d375cec2fa381fa..08761878519ba2a5727c8b6ac50297c6398dda4d 100644
--- a/convlab2/dst/dstc9/eval_model.py
+++ b/convlab2/dst/dstc9/eval_model.py
@@ -58,4 +58,4 @@ if __name__ == '__main__':
             eval_team(team)
     else:
         for team in args.teams:
-            eval_team(team)
\ No newline at end of file
+            eval_team(team)