卸载:
pip uninstall PyQt5
pip uninstall PyQt5-sip
先安装pyqt5-sip,然后再安装pyqt5:
pip install pyqt5-sip
pip install pyqt5
卸载:
pip uninstall PyQt5
pip uninstall PyQt5-sip
先安装pyqt5-sip,然后再安装pyqt5:
pip install pyqt5-sip
pip install pyqt5