List pip packages on Travis.
List pip packages on Travis.

brandm/live-py-plugin,brandm/live-py-plugin,donkirkby/live-py-plugin,donkirkby/live-py-plugin,brandm/live-py-plugin,donkirkby/live-py-plugin,brandm/live-py-plugin,donkirkby/live-py-plugin,donkirkby/live-py-plugin,brandm/live-py-plugin