IIRC, we currently jump through some hoops in brp-python-bytecompile; upstream landed some new ways of doing this in this patch for 2.7/3.2: http://bugs.python.org/issue8140 (Not sure if it's helpful as I think Toshio solved this already in F13's rpm-build, but I wanted to at least send it to the SIG in case it's of interest) Dave