Update engine.py

Update engine.py

Update engine.py

Update engine.py

Update engine.py

Update engine.py

Update engine.py

fix rotation of selfies

adding some notes and refs in the code

fix for the

sorry

damn python

woops sorry folks

avoid hash collision between users using the same image

improve concurrency

working on improvements

we have to many requests per seconds in the logs, so let's make them light

increase LRU cache size

clean-up

clean-up

initial commit