In its current state when https://forge-allura.apache.org/p/allura/git/merge-requests/350/ (db/8368) is merged, it's not fully compatible with python 2.7 We said we'd drop support for that anyway
- update docs
- remove jenkins & travis py27 setup
- recompile requirements.txt using py3 environment
- a number of backwards-compatibility packages will automatically get remove
- make sure to NOT re-add
chardet
(LGPL)
- can upgrade Pillow and Pygments to newer versions, which have some security fixes
db/8390 and also related https://forge-allura.apache.org/p/allura/git/merge-requests/360/