[PyQt] Possible regression in PyQt5.8: unable to convert a C++ 'QVariantMap' instance to a Python object

[Milorad Pop-Tosic]

Hi,

I am getting this error TypeError:

unable to convert a C++ 'QVariantMap' instance to a Python object

when calling toVariant() method on a QJSValue passed from the QML, but ONLY if passing a JavaScript object which has null as one of its attribute values.

The gist that demonstrates the issue:
https://gist.github.com/poptosic/8af03a4c736c57658c3b66a082834035

This works fine in PyQt 5.7.


Thanks

Milorad
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