diff --git a/testing/local_testing/local_test_0.py b/testing/local_testing/local_test_0.py
index 2234947c1..faab77484 100644
--- a/testing/local_testing/local_test_0.py
+++ b/testing/local_testing/local_test_0.py
@@ -2,7 +2,7 @@ import pytest
 
 
 
-@pytest.mark.parametrize("arg1", "arg2", [(1, 1)])
+@pytest.mark.parametrize("arg1, arg2", [(1, 1)])
 
 def test_parametrization(arg1, arg2):
     assert arg1 == arg2