<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_object(self, queryset=None):
 """ Assign the language for the retrieved object. """

        object = super(LanguageChoiceMixin, self).get_object(queryset)
        if isinstance(object, TranslatableModelMixin):
            object.set_current_language(self.get_language(), initialize=True)
        return object