Django comes with some awesome CLI tools. Manage.py is a beast of magic and lore. And it loves the fantastical kingdom of Heroku, where is romps with merry measure twixt the ether. But, when I’ve tried to go through a dumpdata of a previous site, syncdb on a migration to Heroku, and loaddata for moving the data, I’ve run into a snag on django_content_type_app_label_key more than once. Here are some resolutions.