Explicit py::gil_scoped_release() in test_interpreter.cpp TEST_CASE("Threads")

Author: rwgk

tests/test_embed/test_interpreter.cpp

@@ -292,9 +292,13 @@ TEST_CASE("Threads") {
     auto locals = py::dict("count"_a = 0);
 
     {
-        py::gil_scoped_release gil_release{};
+        // This used to be triggered by py::gil_scoped_release().
+        // TODO: Explain why/how this is relevant to this unit test.
+        py::detail::get_internals();
         REQUIRE(has_pybind11_internals_static());
 
+        py::gil_scoped_release gil_release{};
+
         auto threads = std::vector<std::thread>();
         for (auto i = 0; i < num_threads; ++i) {
             threads.emplace_back([&]() {