style: pre-commit fixes

Author: pre-commit-ci[bot]

tests/test_template_alias_base.cpp

@@ -17,10 +17,8 @@ struct S : public Base<Allocator> {};
 S<> make_S() { return S<>{}; }
 
 TEST_SUBMODULE(template_alias_base, m) {
-    py::class_<Base<std::allocator>>(m, "B_std")
-        .def(py::init());
-    py::class_<S<std::allocator>, Base<std::allocator>>(m, "S_std")
-        .def(py::init());
+    py::class_<Base<std::allocator>>(m, "B_std").def(py::init());
+    py::class_<S<std::allocator>, Base<std::allocator>>(m, "S_std").def(py::init());
 
     m.def("make_S", &make_S);
 }