In 185 DEFAULT_LANGUAGE en In 186 class TranslatedUnicode unicode def

In [185]: DEFAULT_LANGUAGE='en'

In [186]: class TranslatedUnicode(unicode):
    def __init__(self, string='', *args, **kwargs):
        if 'trans' in kwargs:
            if DEFAULT_LANGUAGE not in kwargs['trans']:
                raise ValueError("Tried to initialize me without default lang (%s). got: %s" % (
                            DEFAULT_LANGUAGE, kwargs['trans']))
            else:
                self._trans = kwargs.pop('trans')
                string = self._trans[DEFAULT_LANGUAGE]
        super(TranslatedUnicode, self).__init__(string=string, *args, **kwargs)
   .....:

In [196]: a = TranslatedUnicode(trans={'en': 'qwe', 'ru': u'кве'})
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)

/home/xa4a/merc/iasa/<ipython console> in <module>()

TypeError: 'trans' is an invalid keyword argument for this function