CMSSW_7_1_37
Changes since CMSSW_7_1_36:
CMSDIST Changes between Tags REL/CMSSW_7_1_36/slc6_amd64_gcc481 and REL/CMSSW_7_1_37/slc6_amd64_gcc481:
- 4582 from @cms-sw: Get latest changes from pythia8 226 on 7_1_X created: 2018-12-13 09:00:18 merged: 2019-01-29 17:24:53