Emotionallity Detection update

[SvenjaKern]

PR checklist:

• [x] Tested by creator on localhost:8000/docs
• [x] Tested by creator on refinery
• [ ] Tested by reviewer on localhost:8000/docs
• [ ] Tested by reviewer on refinery
• [ ] (If added) common code tested in notebook/ script
• [ ] Conforms with the agreed upon code pattern