pmrep: pylint fixes
pmrep: pylint fixes

Address some complaints from pylint (1.6.5 with Python 2.7) on RHEL 7.4.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp