Hello Frédéric, I just did a dist-upgrade. I should up to date with sid for the moment.
python-qt 4 is at 4.8.3-2 apt-cache policy python-qt4 python-qt4: Installed: 4.8.3-2 Candidate: 4.8.3-2 Version table: *** 4.8.3-2 0 500 http://ftp.be.debian.org/debian/ unstable/main amd64 Packages 100 /var/lib/dpkg/status But this didn't help for spyder. Bug report and backtrace are the same as before. Bruno