What's Changed
- chore: Upgrade Python requirements by @edx-requirements-bot in #155
- chore: Upgrade Python requirements by @edx-requirements-bot in #156
- feat: add optimizely to decide trial length by @alangsto in #160
- Add expiration_date to LearningAssistantAuditTrial model by @MichaelRoytman in #162
Full Changelog: 4.7.1...4.9.0