install_requires = ['requests-file<=99.99'],
dependency_links = [
    'https://github.com/jvantuyl/requests-file/archive/b0a7b34af6e287e07a96bc7e89bac3bc855323ae.zip#egg=requests-file-99.99'
    ]
How can I make setuptools install a package from another source that's also available on pypi with the same version number?