fixing formatting

ml-agents/mlagents/trainers/tests/test_subprocess_env_manager.py

     @mock.patch(
         "mlagents.trainers.subprocess_env_manager.SubprocessEnvManager.create_worker"
     )
-    def test_training_behaviors_collects_results_from_all_envs(self, mock_create_worker):
+    def test_training_behaviors_collects_results_from_all_envs(
+        self, mock_create_worker
+    ):
-                worker_id, EnvironmentResponse(EnvironmentCommand.RESET, worker_id, {f"key{worker_id}" : worker_id})
+                worker_id,
+                EnvironmentResponse(
+                    EnvironmentCommand.RESET, worker_id, {f"key{worker_id}": worker_id}
+                ),
             )
 
         mock_create_worker.side_effect = create_worker_mock
 
-        params = {"test": "params"}
-        for i, env in enumerate(manager.env_workers):
+        for env in manager.env_workers:
-
 
     @mock.patch(
         "mlagents.trainers.subprocess_env_manager.SubprocessEnvManager.create_worker"