Django vs Flask for a long-term project - Stack Overflow

I am looking for a comparison of django and flask for a project that will live for a long time, and will need to be maintained, built upon and grow as the months progress. I am considering Flask + SQLAlchemy or django. I do not need batteries, as I usually end up having to modify them, so it is fine if I have to re-implement a couple of wheels to make it do exactly what I need. I prefer the coding