It's actually pretty easy to install directly from the repo: pip install git+https://github.com/pallets/flask.git However as you mentioned, the documentat

It's actually pretty easy to install directly from the repo: pip install git+https://github.com/pallets/flask.git However as you mentioned, the documentation really needs to be updated to reflect this. It's frustrating to come across this sort of thing. I've even gone so far as forking packages and releasing latest on PyPi myself (so I can easily pull in the dependency from other packages).