After some errors, I dropped my database, deleted all my migration files (I left init.py). Now, when I run
python migrate.py makemigrations /
Please check if you are using multiple databases in your project. If multiple databases configured, check the default database is the one you are looking for.
If default and your expected database are different, run below command pointing to your db configuration.
python manage.py migrate $app_name --database $dbname_from_setting
Hope this helps.