Update test_tf_script_mode.py

Author: mvsusp

tests/integ/test_tf_script_mode.py

@@ -40,7 +40,9 @@
 
 @pytest.fixture(
     scope="session",
-    params=["ml.c4.xlarge"]
+    params=[
+        "ml.c4.xlarge",
+    ],
 )
 def instance_type(request):
     return request.param