Description of problem:
At uninstalling the rpm the *.pyc files are not deleted at 
/usr/share/system-config-packages/

Version-Release number of selected component (if applicable):
system-config-packages-1.2.12-1

How reproducible & Steps to Reproduce:
Every time and more is described above.

Actual results:
The following in the spec file solves it:

--- snipp ---
%preun
if [ -d %{_datadir}/%{name} ] ; then
  rm -rf %{_datadir}/%{name}/*.pyc
fi
--- snapp ---

Expected results:
That *.pyc files are deleted