def test_py_info_cache_invalidation_on_py_info_change(mocker, session_app_data):
        # 1. Get a PythonInfo object for the current executable, this will cache it.
        PythonInfo.from_exe(sys.executable, session_app_data)
    
        # 2. Spy on _run_subprocess
        spy = mocker.spy(cached_py_info, "_run_subprocess")
    
        # 3. Modify the content of py_info.py
        py_info_script = Path(cached_py_info.__file__).parent / "py_info.py"
        original_content = py_info_script.read_text(encoding="utf-8")

        try:
            # 4. Clear the in-memory cache
            mocker.patch.dict(cached_py_info._CACHE, {}, clear=True)  # noqa: SLF001
            py_info_script.write_text(original_content + "\n# a comment", encoding="utf-8")
    
            # 5. Get the PythonInfo object again
            info = PythonInfo.from_exe(sys.executable, session_app_data)

            # 6. Assert that _run_subprocess was called again
            if is_macos_brew(info):
                assert spy.call_count in {2, 3}
            else:
>               assert spy.call_count == 2
E               assert 1 == 2
E                +  where 1 = <function _run_subprocess at 0x7fd7655e5d20>.call_count