Hi there,

this is half a question and half a remark. python-PyMuPDF started to
FTBFS recently with a weird error message:

https://koschei.fedoraproject.org/build/21026539

python-PyMuPDF uses swig generated python bindings from the package
mupdf. After staring at the error and koschei's list of changes for a
while, knowing that my regular rebuilds in copr showed no such issue,
I did the following in mock locally:

rebuild and install mupdf (unchanged)
rebuild python-PyMuPDF

This worked. My current assumption is that that the patch in
swig-4.3.1-4.fc43 introduced a change which made a rebuild necessary -
i.e. the mupdf bindings built with swig-4.3.1-3 do not work when I use
them to build python-PyMuPDF with swig-4.3.1-4. The rebuilt bindings
do work.

Since my mock changeroot does not want to downgrade swig I cannot test
for sure, just wanted to throw it out there in case someone
experiences strange effects with call signatures of overloaded
functions using swig.

Michael
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