Cleanup matplotlib widget. Add a cooldown between canvas.draw operations
Cleanup matplotlib widget. Add a cooldown between canvas.draw operations

This introduces a small delay in draw calls, but prevents quick
updates from causing multiple intermediate draw requests

JudoWill/glue,JudoWill/glue,saimn/glue,stscieisenhamer/glue,stscieisenhamer/glue,saimn/glue