How to use the num2words.lang_FR.Num2Word_FR function in num2words

# version 2.1 of the License, or (at your option) any later version.
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA

from __future__ import unicode_literals

from .lang_FR import Num2Word_FR


class Num2Word_FR_DZ(Num2Word_FR):
    CURRENCY_FORMS = {
        'DIN': (('dinard', 'dinards'), ('centime', 'centimes')),
    }

    def to_currency(self, val, currency='DIN', cents=True, separator=' et',
                    adjective=False):
        result = super(Num2Word_FR, self).to_currency(
            val, currency=currency, cents=cents, separator=separator,
            adjective=adjective)
        return result

from __future__ import unicode_literals

from . import (lang_AR, lang_CZ, lang_DE, lang_DK, lang_EN, lang_EN_IN,
               lang_ES, lang_ES_CO, lang_ES_NI, lang_ES_VE, lang_FI, lang_FR,
               lang_FR_BE, lang_FR_CH, lang_FR_DZ, lang_HE, lang_HU, lang_ID,
               lang_IT, lang_JA, lang_KN, lang_KO, lang_KZ, lang_LT, lang_LV,
               lang_NL, lang_NO, lang_PL, lang_PT, lang_PT_BR, lang_RO,
               lang_RU, lang_SL, lang_SR, lang_TE, lang_TH, lang_TR, lang_UK,
               lang_VI)

CONVERTER_CLASSES = {
    'ar': lang_AR.Num2Word_AR(),
    'cz': lang_CZ.Num2Word_CZ(),
    'en': lang_EN.Num2Word_EN(),
    'en_IN': lang_EN_IN.Num2Word_EN_IN(),
    'fr': lang_FR.Num2Word_FR(),
    'fr_CH': lang_FR_CH.Num2Word_FR_CH(),
    'fr_BE': lang_FR_BE.Num2Word_FR_BE(),
    'fr_DZ': lang_FR_DZ.Num2Word_FR_DZ(),
    'de': lang_DE.Num2Word_DE(),
    'fi': lang_FI.Num2Word_FI(),
    'es': lang_ES.Num2Word_ES(),
    'es_CO': lang_ES_CO.Num2Word_ES_CO(),
    'es_NI': lang_ES_NI.Num2Word_ES_NI(),
    'es_VE': lang_ES_VE.Num2Word_ES_VE(),
    'id': lang_ID.Num2Word_ID(),
    'ja': lang_JA.Num2Word_JA(),
    '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(),

def to_currency(self, val, currency='DIN', cents=True, separator=' et',
                    adjective=False):
        result = super(Num2Word_FR, self).to_currency(
            val, currency=currency, cents=cents, separator=separator,
            adjective=adjective)
        return result

# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA
from __future__ import print_function, unicode_literals

from .lang_FR import Num2Word_FR


class Num2Word_FR_CH(Num2Word_FR):
    def setup(self):
        Num2Word_FR.setup(self)

        self.mid_numwords = [(1000, "mille"), (100, "cent"), (90, "nonante"),
                             (80, "huitante"), (70, "septante"),
                             (60, "soixante"), (50, "cinquante"),
                             (40, "quarante"), (30, "trente")]

    def merge(self, curr, next):
        ctext, cnum, ntext, nnum = curr + next

        if cnum == 1:
            if nnum < 1000000:
                return next

        if cnum < 1000 and nnum != 1000 and\

def to_currency(self, val, currency='EUR', cents=True, separator=' et',
                    adjective=False):
        result = super(Num2Word_FR, self).to_currency(
            val, currency=currency, cents=cents, separator=separator,
            adjective=adjective)
        return result

# version 2.1 of the License, or (at your option) any later version.
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA

from __future__ import print_function, unicode_literals

from .lang_FR import Num2Word_FR


class Num2Word_FR_BE(Num2Word_FR):
    def setup(self):
        Num2Word_FR.setup(self)

        self.mid_numwords = [(1000, "mille"), (100, "cent"), (90, "nonante"),
                             (80, "quatre-vingt"), (70, "septante"),
                             (60, "soixante"), (50, "cinquante"),
                             (40, "quarante"), (30, "trente")]

    def merge(self, curr, next):
        ctext, cnum, ntext, nnum = curr + next

        if cnum == 1:
            if nnum < 1000000:
                return next

        if cnum < 1000 and nnum != 1000 and\