Discontinue Python 2.7 support?

Come the new year are we planning to continue trying to make sure bilby supports both Python 2.7 and Python 3, or will we move to a development state where we don't explicitly try and keep everything Python 2.7 compatible? I imagine that we should make sure the v1.0 release works for Python 2.7, but maybe after that we could move to Python 3-only support?