Python 2 has been deprecated, we should default to testing with Python 3
In commit 04ebe2d16d1d408f9c5d049aaa0426dce1c7bbe2, distribute was added
as an option to be set to false if setting up a python3 virtualenv.
Therefore, set distribute to false because we have defaulted to py3.
Pull Request (PR) description
Python 2 has been deprecated, we should default to testing with Python 3
In commit 04ebe2d16d1d408f9c5d049aaa0426dce1c7bbe2, distribute was added as an option to be set to false if setting up a python3 virtualenv. Therefore, set distribute to false because we have defaulted to py3.