Description
Pyside2 example tabbedbrowser is incomplete, missing implement downlaod and download manager.
Running this example code, I found that I couldn't download the attachment in the web page.
https://code.qt.io/cgit/pyside/pyside-setup.git/tree/examples/webenginewidgets/tabbedbrowser
https://doc.qt.io/qtforpython/examples/tabbedbrowser.html