Fixing 'tuple index out of range' issue with distutils/command/upload.py (v2.7.7): the 'requires' field tuple should be a list(https://github.com/gitpython-developers/GitPython/issues/186)
Merge pull request #187 from tsheibar/master

Fixing issue #186: 'tuple index out of range' issue when uploading to private Pypi repository