解决 'ModuleNotFoundError: No module named 'PyQt5.QtWebEngineWidgets'' 错误

The error message 'ModuleNotFoundError: No module named 'PyQt5.QtWebEngineWidgets'' indicates that the PyQt5.QtWebEngineWidgets module is not installed on your system.

To resolve this issue, you need to install the PyQt5.QtWebEngineWidgets module. You can do this by running the following command in your terminal or command prompt:

pip install PyQtWebEngine

After installing the module, you should be able to run the code without any errors.