We want to make sure our code works with Django 3.2 (the newest LTS release) before support ends for Django 2.2 in April 2022 (and ideally by mid-Oct. For each Django-using library and service, we recommend doing the following steps. These may be split into more than one PR; try to avoid changing more than about 20 files in one PR if practical (for ease of review). edX employees upgrading an IDA should create a Jira ticket for the work and add it to Django 3.2 Upgrade List of IDAs in the “Ticket link” column, and update the IDA's entry in the table on that page Django 3.2 Upgrade List of IDAs when each chunk of the upgrade is completed.
...