
class SMSRouter(object):

    app_label = 'sms'
    db_name = 'sms'

    def db_for_read(self, model, **hints):

        if model._meta.app_label == self.app_label:
            return self.db_name

        return None

    def db_for_write(self, model, **hints):

        if model._meta.app_label == self.app_label:
            return self.db_name

        return None

    def allow_relation(self, obj1, obj2, **hints):

        if obj1._meta.app_label == self.app_label or \
                obj2._meta.app_label == self.app_label:
            return False

        return None

    def allow_migrate(self, db, app_label, model_name=None, **hints):

        if app_label == self.app_label:
            return False

        return None


class TurboSMSRouter(object):

    app_label = 'turbosms'
    db_name = 'turbosms'

    def db_for_read(self, model, **hints):

        if model._meta.app_label == self.app_label:
            return self.db_name

        return None

    def db_for_write(self, model, **hints):

        if model._meta.app_label == self.app_label:
            return self.db_name

        return None

    def allow_relation(self, obj1, obj2, **hints):

        if obj1._meta.app_label == self.app_label or \
                obj2._meta.app_label == self.app_label:
            return False

        return None

    def allow_migrate(self, db, app_label, model_name=None, **hints):

        if app_label == self.app_label:
            return False

        return None

Fix bug in sms router.
Fix bug in sms router.
