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
Fabio Caccamo
CM Lubinski