- leds_on = random.sample(tree2.POSSIBLE_LEDS, random.randint(0, 8))\r
- tree2.leds_on_and_wait(leds_on, 0.8)\r
+ leds_on = random.sample(tree2.POSSIBLE_LEDS, random.randint(1, 8))\r
+ tree2.leds_on_and_wait(leds_on, random.triangular(0.2, 1.0, 0.7))\r