message: extra slash causes null directory on GCS.  whoops
diff: @@ -21,7 +21,7 @@ import go
  BUCKET = os.environ['BUCKET_NAME'] # Did this die? Set your bucket!
  GAMES_BUCKET = "gs://%s/games/" % BUCKET
  -MODELS_BUCKET = "gs://%s/models/" % BUCKET
  +MODELS_BUCKET = "gs://%s/models" % BUCKET
  MODEL_NUM_REGEX = "\d{6}"
  GAME_DIRECTORY = "./data/selfplay/"
  MODEL_DIRECTORY = "./saved_models"
  