Today's WOD will be a practice session. Use your WOD time to work on your Pistol...
Here are a couple of links that will help you out.. HERE .. and HERE.
Simple put you get down from a one legged stand to a squat on the same leg and back up again. It is as much a strength move as a balance move.
Take the time and work this move. If you are an experienced Pistoller then work on bottom to bottom pistols.
Learn and grow.