# What this PR does
`SOURCE_CHOICES` was updated in #1779 but we forgot to include the
accompanying database migration. If you run `make engine-manage
CMD="makemigrations"`, this migration is output. This PR simply adds
that.
## Checklist
- [ ] Unit, integration, and e2e (if applicable) tests updated (N/A)
- [ ] Documentation added (or `pr:no public docs` PR label added if not
required) (N/A)
- [ ] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required) (N/A)
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