human
Solve the following python programming problem given the following code:
def construct(self) : 
    "
        Recursively serialize a lot of types, and
        in cases where it doesn't recognize the type,
        it will fall back to Django's `smart_unicode`.

        Returns `dict`.
        " 
    def _any(thing, fields = ()) : 
        '
            Dispatch, all types are routed through here.
            ' 
        ret = None 
        if isinstance (thing, QuerySet) : 
            ret = _qs (thing, fields = fields) 
else : 
            if isinstance (thing, Page) : 
                ret = _list (thing.object_list, fields = fields) 
else : 
                if isinstance (thing, (tuple, list)) : 
                    ret = _list (thing, fields = fields) 
else : 
                    if isinstance (thing, dict) : 
                        ret = _dict (thing, fields = fields) 
else : 
                        if isinstance (thing, decimal.Decimal) : 
                            ret = str (thing) 
else : 
                            if isinstance (thing, Model) : 
                                ret = _model (thing, fields = fields) 
else : 
                                if inspect.isfunction (thing) : 
                                    if (not inspect.getargspec (thing) [0]) : 
                                        ret = _any (thing ()) 
else : 
                                    if hasattr (thing, '__emittable__') : 
                                        f = thing.__emittable__ 
                                        if (inspect.ismethod (f) and (len (inspect.getargspec (f) [0]) == 1)) : 
                                            ret = _any (f ()) 
else : 
                                        if repr (thing).startswith ('<django.db.models.fields.related.RelatedManager') : 
                                            ret = _any (thing.all ()) 
else : 
                                            ret = smart_unicode (thing, strings_only = True) 
return ret 
def _fk(data, field) : 
        '
            Foreign keys.
            ' 
        return _any (getattr (data,...

    
    

    Fix the buggy line: return _any (_model.data, self.fields)
assistant
#Here is Python code to fix the buggy line: return _any (_model.

return _any (self.data, self.fields)