* Drop Python 3.3 Support
It's reached end-of-life, and our dependencies have started to drop it.
See https://github.com/nvbn/thefuck/pull/744#issuecomment-353244371
* Revert "Use pytest<3.3 to fix Python 3.3 tests (#746)"
This reverts commit f966ecd4f5b8221ee15e843f5ec287e1f7cca940.