Method ~ThreadCleanup

python/src/transforms.cpp:1467–1472

        // before python interpreter exits.
        struct ThreadCleanup {
          ~ThreadCleanup() {
            if (!mx::detail::compile_cache_empty()) {
              nb::gil_scoped_acquire gil;
              mx::detail::compile_clear_cache();
            }
          }
        };
        static thread_local auto clear_cache = []() {
          // Ensure it is created