Merge pull request #5674 from helloocc/master

Doc fix: remove redundant parentheses.

doc/en/example/markers.rst

@@ -336,7 +336,7 @@ apply a marker to an individual test instance:
 
     @pytest.mark.foo
     @pytest.mark.parametrize(
-        ("n", "expected"), [(1, 2), pytest.param((1, 3), marks=pytest.mark.bar), (2, 3)]
+        ("n", "expected"), [(1, 2), pytest.param(1, 3, marks=pytest.mark.bar), (2, 3)]
     )
     def test_increment(n, expected):
         assert n + 1 == expected