Function test_first_nullptr

tests/test_scoped_critical_section.cpp:20–23

void test_two_nullptrs() { py::scoped_critical_section lock{py::handle{}, py::handle{}}; }

void test_first_nullptr() {
    py::dict d;
    py::scoped_critical_section lock{py::handle{}, d};
}

void test_second_nullptr() {
    py::dict d;