To make such a migration, first make a blank migration::
startmigration appname load_myfixture
+ ./manage.py migration appname load_myfixture
Then, open the new migration file, and restructure your forwards() method
(you'll have to leave backwards() empty,
as there's not much you can do to reverse this).
-Then, when this migration is run, it will load the given fixture.
+Then, when this migration is run, it will load the given fixture.