WARNING! Expert only! Talk to ANDY HAAS...
From here:
/afs/slac/g/atlas/packages/PANDA-client.readme
Check here:
https://twiki.cern.ch/twiki/bin/viewauth/Atlas/PandaTools
Run the script:
~ahaas/bin/panda_update.sh <version>
Which does (for version=0.3.6, for example):
cd /tmp
wget --no-check-certificate https://twiki.cern.ch/twiki/pub/Atlas/PandaTools/panda-client-0.3.6.tar.gz
tar xvfz panda-client-0.3.6.tar.gz
cd panda-client-0.3.6
python setup.py install --prefix=/afs/slac/g/atlas/packages/panda-client-0.3.6
cd /afs/slac/g/atlas/packages/
rm panda-client
ln -s panda-client-0.3.6 panda-client