def clean_listname(self):
        cleaned_data = super(ListNew, self).clean()
        listname = cleaned_data.get('listname')
        try:
            validate_slug(listname)
        except:
            raise forms.ValidationError(_("Please enter a valid listname"))
        return listname



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 def clean_password(self):
        password = self.cleaned_data.get('password')
        password_repeat = self.cleaned_data.get('password_repeat')
        if password != password_repeat:
            raise forms.ValidationError("Passwords must be identical.")
        return password_repeat

    def clean_email(self):
        email = self.cleaned_data['email']
        try:
            validate_email(email)
        except:
            raise forms.ValidationError(_("Please enter a valid email ID"))
        return email


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