pip install git+https://github.com/frankban/django-endless-pagination.git

http://stackoverflow.com/questions/20101834/pip-install-from-github-repo-branch

$ pip install git+git://github.com/myuser/foo.git@v123
or
$ pip install git+git://github.com/myuser/foo.git@newbranch

http://stackoverflow.com/questions/8247605/configuring-so-that-pip-install-can-work-from-github

https://pip.pypa.io/en/latest/reference/pip_install.html#vcs-support