Description of problem:
(pulp_rpm)[rbarlow@grapefruit pulp_puppet]$ rpmlint -i pulp-puppet.spec 
pulp-puppet.spec:218: W: unversioned-explicit-obsoletes python-pulp-puppet-extension
The specfile contains an unversioned Obsoletes: token, which will match all
older, equal and newer versions of the obsoleted thing.  This may cause update
problems, restrict future package/provides naming, and may match something it
was originally not inteded to match -- make the Obsoletes versioned if
possible.

Version-Release number of selected component (if applicable):
2.4.0-1

How reproducible:
Every time

Steps to Reproduce:
1. Run rpmlint -i pulp-puppet.spec

Actual results:
Warning.

Expected results:
No warning.