How to use the cowpy.cow.HeadInCow function in cowpy

"@":".--.-.",
    "=":"-...-",
    " ":"/"
}

decode_morse = dict((morse_char, char) for (char, morse_char) in encode_morse.items())

cowList = {
    "cow":cow.Cowacter(),
    "hellokitty":cow.HelloKitty(),
    "bunny":cow.Bunny(),
    "cheese":cow.Cheese(),
    "milk":cow.Milk(),
    "bong":cow.BongCow(),
    "eyes":cow.Eyes(),
    "legitvore":cow.HeadInCow(),
    "666":cow.Satanic(),
    "frogs":cow.BudFrogs(),
    "daemon":cow.Daemon(),
    "moofasa":cow.Moofasa(),
    "mutilated":cow.Mutilated(),
    "skeleton":cow.Skeleton(),
    "small":cow.Small(),
    "excusemewhatthefuck":cow.Sodomized(),
    "garfield":cow.Stimpy(),
    "tux":cow.Tux(),
    "vader":cow.Vader()
}

def write_file(filename, contents):
    with open(filename, "w", encoding="utf8") as file:
        for item in contents:

def __init__(self, **kwargs):
        kwargs['body'] = (
            "    {thoughts}\n"
            "     {thoughts}\n"
            "    ^__^         /\n"
            "    ({eyes})\\_______/  _________\n"
            "    (__)\\       )=(  ____|_ \\_____\n"
            "   {tongue}   ||----w |  \\ \\     \\_____ |\n"
            "        ||     ||   ||           ||")
        super(HeadInCow, self).__init__(**kwargs)

class HeadInCow(Cowacter):

    def __init__(self, **kwargs):
        kwargs['body'] = (
            "    {thoughts}\n"
            "     {thoughts}\n"
            "    ^__^         /\n"
            "    ({eyes})\\_______/  _________\n"
            "    (__)\\       )=(  ____|_ \\_____\n"
            "   {tongue}   ||----w |  \\ \\     \\_____ |\n"
            "        ||     ||   ||           ||")
        super(HeadInCow, self).__init__(**kwargs)


COWACTERS['headincow'] = HeadInCow


class HelloKitty(Cowacter):

    def __init__(self, **kwargs):
        kwargs['body'] = (
            "  {thoughts}\n"
            "   {thoughts}\n"
            "      /\\_)o<\n"
            "     |      \\\n"
            "     | O . O|\n"
            "      \\_____/")
        super(HelloKitty, self).__init__(**kwargs)


COWACTERS['hellokitty'] = HelloKitty