[PyQt] QtWebEngineWidgets crasher

Phil Thompson phil at riverbankcomputing.com
Wed Mar 18 21:52:41 GMT 2015

On 18/03/2015 9:38 pm, Baz Walter wrote:
> Hello
> I am experiencing crashes on exit when importing the QtWebEngineWidgets 
> module.
> I know that PyQt5 always calls sip.setdestroyonexit() now, and that
> this may cause issues when instances are not created at the module
> level, but I'm not sure whether this applies in this case.
> Here's a test that always dumps core on exit for me (I'm using
> Qt-5.4.1 on Linux with the latest snapshots):
>     from PyQt5 import QtWidgets
>     def test():
>         from PyQt5 import QtWebEngineWidgets
>         widget = QtWidgets.QWidget()
>         widget.show()
>         app.exec_()
>     app = QtWidgets.QApplication([''])
>     test()
> I've tried this with all the other PyQt5 modules, but
> QtWebEngineWidgets is the only one that causes a problem. I also tried
> using sip.setdestroyonexit(False), but that made no difference.
> I'm afraid I can't provide a useful backtrace, because I don't have
> access to a debug version of qt5 at the moment.

Works fine for me. I don't think there is a lot I can do with this as it 


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