Use find_packages instead of specifying the package itself
The error:
Traceback (most recent call last):
File "/cvmfs/lhcb.cern.ch/lib/var/lib/LbEnv/dev/x86_64-centos7/bin/lb-release-rpm", line 7, in <module>
from LbAdmin.RpmRelease import release
ImportError: No module named LbAdmin.RpmRelease
does not seem to happen when installing with python setup.py develop. I'll to release it this way.