* Fix type mismatches in track migrations
* Fix type mismatches in oauth_dispatch
* Fix type mismatches in badges migrations
* fix type mismatch in contentserver migrations
* Fix type mismatches in mobile_api migrations
* fix type mismatch in crawlers migrations
* fix type mismatch in dark_lang migrations
* fix type mismatch in branding migrations
* INCR-145: Run python-modernize on openedx/core/djangoapps/contentserver
* INCR-145: [FIXED] line over length limit
* INCR-145: [ADD] Missing whitespace