# Don't insult this tribe of peaceful ogres.

while True:
    item = hero.findNearestItem()
    if item:
        # If item.type IS NOT EQUAL TO "gem"
        if item.type != "gem":
            # Then follow your pet wolf.
            hero.moveXY(pet.pos.x, pet.pos.y)
        # Else:
        else:
            # Move to the gem's position.
            hero.moveXY(item.pos.x, item.pos.y)