I got a problem with multiple inheritance here

# User Address Form which inherits AddressForm and LanguageForm
class UsersAddForm(AddressForm, LanguageForm): # Inherit AddressForm
    """ Form used to add users """

    def __init__(self, data=None,initial=None, organization=None,language =None, error_class=None,edit=False ) :
        """ Constructor for Class AddForm """
        # Override Constructor for Address Form
        AddressForm.__init__(self, data=data, organization=organization,language=language,initial=initial,error_class=error_class)

        # Override Constructor for Language Form
        LanguageForm.__init__(self, data=data, organization=organization, language=language, initial=initial,error_class=error_class)

        self.organization = organization
        self.language = language
        self.data = data if data else {}
        self.edit = edit if edit else False

        # set civility
        self.fields['civility'].choices = CIVILITY[self.language.code]

        # set contact by
        self.fields['contact_by'].choices = CONTACT_BY[self.language.code]

        # set active domain
        self.fields['active_domain'].choices = ACTIVE_DOMAIN[self.language.code]

        # make username readonly in edit mode
        if self.edit :
            self.fields['username'].widget.attrs['readonly'] = True


    username = forms.CharField(label="Username:", max_length=50, required = True,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    first_name = forms.CharField(label="First Name:", max_length=50, required=False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    last_name = forms.CharField(label="Last Name:", max_length=50,required=False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    password = forms.CharField(label="Password:", max_length=50, required = False,
                                widget=forms.PasswordInput(attrs={'class':'myacc_input'}))
    confirm_password = forms.CharField(label="Confirm Password:", max_length=50, required = False,
                                widget=forms.PasswordInput(attrs={'class':'myacc_input'}))
    email = forms.EmailField(label="Email:", max_length=30, required = True,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    postal_code = forms.CharField(label="Postal Code:", max_length=100, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    phone = forms.CharField(label="Phone:", max_length=20, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    mobile = forms.CharField(label="Mobile:", max_length=20, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    fax = forms.CharField(label="Fax:", max_length=20, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    age = forms.CharField(label="Age:", max_length=2, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    url = forms.CharField(label="Url:", max_length=100, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    contact_by = forms.ChoiceField(label="Contact By:",required = False,
                                widget=forms.Select(attrs={'class':'myacc_dropdown'}))
    civility = forms.ChoiceField(label="Civility:",required = False,
                                widget=forms.Select(attrs={'class':'site_bui_drop'}))
    active_domain = forms.ChoiceField(label="Domaines d'activité:",required = False,
                                widget=forms.Select(attrs={'class':'myacc_dropdown'}))

# Here is the address form
class AddressForm(forms.Form):
    """ Generic Address form """

    def __init__(self, data=None,initial=None, organization=None, language=None, error_class=None,prefix=None ) :
        """ Constructor for Address form  """

        # override constructor
        forms.Form.__init__(self, data=data,initial=initial,error_class=error_class,prefix=prefix)

        self.organization = organization
        self.language = language

        # Create object of Class Country
        country = Country(language=self.language)
        country_list = country.all()

        # get values
        country_list = list (fetch_model_values_list(country_list,COUNTRY_DROPDOWN))
        # Add "Select" option to list
        country_list.insert(0, ('','Sélectionner') )
        # Assign the country to choices list
        self.fields['country'].choices = country_list

    address_one = forms.CharField(label="Adresse:", max_length=100, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    address_two = forms.CharField(label="Adresse:", max_length=100, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    address_three = forms.CharField(label="Adresse 3:", max_length=100, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'}))
    state = forms.CharField(label="Canton:", max_length=100, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'})) # State
    city = forms.CharField(label="Ville:", max_length=100, required = False,
                                widget=forms.TextInput(attrs={'class':'myacc_input'})) # City
    country = forms.ChoiceField(label="Pays:", required = False, initial=DEFAULT_COUNTRY,
                                widget=forms.Select(attrs={'class':'myacc_dropdown'})) # Country

# Here is the LanguageForm
class LanguageForm(forms.Form):
    """ Generic Language form """

    def __init__(self, data=None,initial=None, organization=None, language=None, error_class=None,prefix=None ) :
        """ Constructor for Language form  """
        # override constructor
        forms.Form.__init__(self, data=data,initial=initial,error_class=error_class,prefix=prefix)

        self.organization = organization
        self.language = language
        self.language_code = self.language.code if self.language else DEFAULT_LANGUAGE

        # get languages
        language = Language()
        status,language_list = language.all()
        language_list = fetch_model_values_list(language_list,LANGUAGE_DROPDOWN)

        # set language in choices field
        self.fields['language'].choices = language_list

        # set initial value
        default_language = {'language':self.language_code}
        if self.initial :
            self.initial.update(default_language)
        else :
            self.initial = default_language

    language = forms.ChoiceField(label="Select Language", required = False,
                                widget=forms.Select(attrs={'class':'site_bui_drop'}))

# PROBLEM - When I render this in the countries drop down I can not see any value, i.e the country drop down is empty. Any one can help me with ?
Thanks