How to use the num2words.lang_IT.Num2Word_IT function in num2words

def float_to_words(self, float_number, ordinal=False):
        if ordinal:
            prefix = self.to_ordinal(int(float_number))
        else:
            prefix = self.to_cardinal(int(float_number))
        float_part = str(float_number).split('.')[1]
        postfix = " ".join(
            # Drops the trailing zero and comma
            [self.to_cardinal(int(c)) for c in float_part]
        )
        return prefix + Num2Word_IT.FLOAT_INFIX_WORD + postfix

'kn': lang_KN.Num2Word_KN(),
    'ko': lang_KO.Num2Word_KO(),
    'kz': lang_KZ.Num2Word_KZ(),
    'lt': lang_LT.Num2Word_LT(),
    'lv': lang_LV.Num2Word_LV(),
    'pl': lang_PL.Num2Word_PL(),
    'ro': lang_RO.Num2Word_RO(),
    'ru': lang_RU.Num2Word_RU(),
    'sl': lang_SL.Num2Word_SL(),
    'sr': lang_SR.Num2Word_SR(),
    'no': lang_NO.Num2Word_NO(),
    'dk': lang_DK.Num2Word_DK(),
    'pt': lang_PT.Num2Word_PT(),
    'pt_BR': lang_PT_BR.Num2Word_PT_BR(),
    'he': lang_HE.Num2Word_HE(),
    'it': lang_IT.Num2Word_IT(),
    'vi': lang_VI.Num2Word_VI(),
    'th': lang_TH.Num2Word_TH(),
    'tr': lang_TR.Num2Word_TR(),
    'nl': lang_NL.Num2Word_NL(),
    'uk': lang_UK.Num2Word_UK(),
    'te': lang_TE.Num2Word_TE(),
    'hu': lang_HU.Num2Word_HU()
}


CONVERTES_TYPES = ['cardinal', 'ordinal', 'ordinal_num', 'year', 'currency']


def num2words(number, ordinal=False, lang='en', to='cardinal', **kwargs):
    # We try the full language first
    if lang not in CONVERTER_CLASSES:

def to_ordinal(self, number):
        tens = number % 100
        # Italian grammar is poorly defined here ¯\_(ツ)_/¯:
        #   centodecimo VS centodieciesimo VS centesimo decimo?
        is_outside_teens = not 10 < tens < 20
        if number < 0:
            return Num2Word_IT.MINUS_PREFIX_WORD + self.to_ordinal(-number)
        elif number % 1 != 0:
            return self.float_to_words(number, ordinal=True)
        elif number < 20:
            return ORDINAL_WORDS[number]
        elif is_outside_teens and tens % 10 == 3:
            # Gets ride of the accent      ~~~~~~~~~~
            return self.to_cardinal(number)[:-1] + "eesimo"
        elif is_outside_teens and tens % 10 == 6:
            return self.to_cardinal(number) + "esimo"
        else:
            string = self.to_cardinal(number)[:-1]
            if string[-3:] == "mil":
                string += "l"
            return string + "esimo"