Recommended update for python-matplotlib
This update for python-matplotlib fixes the following issues:
- Fix dependencies to explicit python3-* ones. (bsc#1184340)
This update was imported from the SUSE:SLE-15-SP2:Update update project.
- Submitted by Matej Cepl (mcepl)
Fixed bugs
bnc#1184340
Leap 15.3 build 117.13 pulls in python2 (Leap 15.2 not)