[FIX] format

...grations/0044_remove_districtarticlepage_text_and_more.py

...ons/0051_remove_elections2021articlepage_text_and_more.py

...migrations/0019_remove_regionarticlepage_text_and_more.py

shared/models.py

...migrations/0022_remove_uniwebarticlepage_text_and_more.py