fix: app can now be started using gunicorn, uwsgi

There was an import error that needed to be fixed, in the
way the driver was imported.
Yes, Thats how it was before.. I was running into some wierd import time side effects before and had ended up removing it.
It was in there before.

https://github.com/TheSriram/deuce/blob/e2d7670aa5d9d2b0d20f88efe42b1c21d5bcef19/deuce/transport/wsgi/__init__.py