main `Matplotlib`_ repository at `Matplotlib github`_.

Note that we've used ``git://`` for the URL rather than ``https://`` or ``git@``. The

(or deliberately) write to the upstream repo, and we are only going to

use it to merge into our own code.

Random data in tests

however the randomness is problematic for testing (as the tests

must be deterministic!). To work around this set the seed in each test.

For numpy use::