Python 2 and 3 treat strings differently; in 2 they are bytes and in 3 they
are unicode objects. The Theme fields' attributes were encoded as bytes in the
initial migration (0001) but should be unicode values, leading to a missing
migration whenever the code is ran on Python 3. This changeset "alters" all
the fields to set them to have unicode attributes rather than bytes.
For more context, we've more or less followed the steps outlined here:
https://docs.djangoproject.com/en/1.11/topics/migrations/#supporting-python-2-and-3
Django-colorfield bumped up its default max_length from 10 to 18 characters in
bfe421b8. Though we've pinned the version of colorfields we're depending on,
we can make the future version upgrade easier now by locking our fields to
having a max length of 10 chars.
CM Lubinski