Dodane fiksturki kategorii i klucze obce wpis->kategoria

Oprócz tego nie mogę wgrać fiksturek z powodu błędów:
IntegrityError: Problem installing fixture './fixtures.json': Could not load contenttypes.ContentType(pk=9): columns app_label, model are not unique
mt3o@mt3o-HP-TouchSmart-tx2-Notebook-PC:~/Ubuntu One/src/joggerpl-tools/joggertester$ ./manage.py loaddata fixtures.json
PROJECT_DIR=/home/mt3o/Ubuntu One/src/joggerpl-tools/joggertester
IntegrityError: Problem installing fixture 'fixtures.json': Could not load contenttypes.ContentType(pk=9): columns app_label, model are not unique
mt3o@mt3o-HP-TouchSmart-tx2-Notebook-PC:~/Ubuntu One/src/joggerpl-tools/joggertester$ mcedit fixtures.json 

mt3o@mt3o-HP-TouchSmart-tx2-Notebook-PC:~/Ubuntu One/src/joggerpl-tools/joggertester$ ./manage.py loaddata fixtures.json
PROJECT_DIR=/home/mt3o/Ubuntu One/src/joggerpl-tools/joggertester
IntegrityError: Problem installing fixture 'fixtures.json': Could not load contenttypes.ContentType(pk=33): columns app_label, model are not unique

Zmieniłem app_label na unikalne wartości, przeszło. Nie zawarłem tego w commicie, nie wiem co to robi :)