Ive deployed this starter on my vercel and it works fine
https://vercel.com/templates/next.js/nextjs-fastapi-starter

But i changed the requirements.txt with the ones that I want to use and redeployed it and the app is still building, its been 23 mins

here's my requirement.txt file

fastapi==0.95.2
uvicorn[standard]
python-dotenv==1.0.0
pymongo==4.4.1
keras==2.12.0
scikit-learn==1.2.2
scipy==1.10.1
opencv-python==4.7.0.72
tensorflow==2.12.0
python-multipart==0.0.6