[PyQt] Segmentation fault with QVariant in signal signature

[Philip Lorenz]

Hi,

I have been experiencing issues when emitting a signal with a QVariant 
signature containing a Python object. The issue seems to stem from the 
Chimera::Storage::address() function which returns the data part of the 
QVariant even if the wrapped object used to be a QVariant itself. I have 
attached a test case and a patch against PyQt 4.8.2-bb053c0310a3 nightly 
which fixes the issue for me.

--
Philip Lorenz
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