Merge pull request #33 in CASA/casa6 from CAS-12754 to master
* commit 'a695654e3b59c014f9d39df77b9cb9b366124b4b':
CAS-12754: the comments weren't quite the same between casa and casatasks version
CAS-12754: edit plotReport to eliminate a deprecation warning in python 3, change is compatible with python 2