Update django from 1.11.11 to 1.11.12 (#3383)
Update django from 1.11.11 to 1.11.12 (#3383)


edmorley/treeherder,KWierso/treeherder,edmorley/treeherder,edmorley/treeherder,KWierso/treeherder,KWierso/treeherder,edmorley/treeherder,KWierso/treeherder