diff --git a/tests/test_pytypes.cpp b/tests/test_pytypes.cpp
index 9380c8bfb..311aa50b5 100644
--- a/tests/test_pytypes.cpp
+++ b/tests/test_pytypes.cpp
@@ -1058,12 +1058,11 @@ TEST_SUBMODULE(pytypes, m) {
     instance.def(py::init());
     instance.attr_with_type_hint<float>("y");
 
-    m.def("attr_with_type_hint_float_x", [](py::handle obj) {
-        obj.attr_with_type_hint<float>("x");
-    });
+    m.def("attr_with_type_hint_float_x",
+          [](py::handle obj) { obj.attr_with_type_hint<float>("x"); });
 
     m.attr_with_type_hint<py::typing::Final<int>>("CONST_INT") = 3;
-    
+
     m.attr("defined___cpp_inline_variables") = true;
 #else
     m.attr("defined___cpp_inline_variables") = false;
diff --git a/tests/test_pytypes.py b/tests/test_pytypes.py
index 4c6ee8da9..9303b9401 100644
--- a/tests/test_pytypes.py
+++ b/tests/test_pytypes.py
@@ -1162,9 +1162,12 @@ def test_redeclaration_attr_with_type_hint() -> None:
     m.attr_with_type_hint_float_x(obj)
     help(obj)
     assert get_annotations_helper(obj)["x"] == "float"
-    with pytest.raises(RuntimeError, match=r'^__annotations__\["x"\] was set already\.$'):
+    with pytest.raises(
+        RuntimeError, match=r'^__annotations__\["x"\] was set already\.$'
+    ):
         m.attr_with_type_hint_float_x(obj)
 
+
 @pytest.mark.skipif(
     not m.defined___cpp_inline_variables,
     reason="C++17 feature __cpp_inline_variables not available.",