Bug 1333079 - Update pytest-django from 3.0.0 to 3.1.2
Bug 1333079 - Update pytest-django from 3.0.0 to 3.1.2

https://pytest-django.readthedocs.io/en/latest/changelog.html
https://github.com/pytest-dev/pytest-django/compare/3.0.0...3.1.2

kapy2010/treeherder,tojonmz/treeherder,tojonmz/treeherder,KWierso/treeherder,KWierso/treeherder,KWierso/treeherder,kapy2010/treeherder,tojon/treeherder,tojon/treeherder,edmorley/treeherder,tojon/treeherder,kapy2010/treeherder,tojonmz/treeherder,tojonmz/treeherder,edmorley/treeherder,tojonmz/treeherder,tojon/treeherder,tojonmz/treeherder,KWierso/treeherder,edmorley/treeherder,kapy2010/treeherder,kapy2010/treeherder,edmorley/treeherder