fixed typo, removed ws

examples/shields/rl/15_train_eval_tune.py

@@ -78,7 +78,7 @@ def ppo(args):
                                   "shielding": args.shielding is ShieldingConfig.Full or args.shielding is ShieldingConfig.Training,
                                   },)
         .framework("torch")
-        .callbacks(MyCallbacks, ShieldInfoCallback(logdir, [1,12])
+        .callbacks(MyCallbacks, ShieldInfoCallback(logdir, [1,12]))
         .evaluation(evaluation_config={
                                        "evaluation_interval": 1,
                                         "evaluation_duration": 10,
@@ -116,8 +116,7 @@ def ppo(args):
                                name=test_name(args),
 
 
-    )
-                        ,
+                        ),
     param_space=config,)
 
     results = tuner.fit()