# Use your pet to fetch potions while the hero fights.
def onSpawn(event):
    while True:
        item = hero.findNearestItem()
        if item:
            pet.fetch(item)

pet.on("spawn", onSpawn)

while True:
    enemy = hero.findNearestEnemy()
    if enemy:
        if hero.isReady("cleave"):
            hero.cleave(enemy)
        else:
            hero.attack(enemy)