On 09/03/2023 09:17, Yi tiger wrote: > Thanks Phil I will try latest version of PyQt5. But we'd like to use > PyQt5.15.6 to match our Qt version. is PyQt5.15.9 compatible with QT > 5.15.6? https://www.riverbankcomputing.com/static/Docs/PyQt5/installation.html#understanding-the-correct-version-to-install Phil