I\'m working on a project and need a little different functionality from the package sklearn. I\'ve forked the repo and pushed my changes. I know that I can install from github
try again using just (-e flag lets you git pull updates by installing it as a git repo)
pip install -e git+git://github.com/wdonahoe/scikit-learn-fork.git@master#egg=scikit-learn
more on eggs: http://mrtopf.de/blog/en/a-small-introduction-to-python-eggs/