Unknown
* Add tests for upload_to_pypi ([`778923f`](https://github.com/python-semantic-release/python-semantic-release/commit/778923fab86d423b6ed254c569fddee1b9650f56))
* :bug: Add python2 not supported warning
Related: 9, 10 ([`e84c4d8`](https://github.com/python-semantic-release/python-semantic-release/commit/e84c4d8b6f212aec174baccd188185627b5039b6))
* Add note about python 3 only
related to 9 ([`a71b536`](https://github.com/python-semantic-release/python-semantic-release/commit/a71b53609db75316e3c14df0ece7f474393641bc))