human
Solve the following python programming problem given the following code:
def __call__(self, * args, **kw) : 
    'Call the class instance.' 
    if isinstance (args [0], Callable) : 
        self.add_view ('/{}/'.format (args [0].__name__), args [0]) 
        return args [0] 
def ddecorator(candidate) : 
        from django.forms import forms 
        if isinstance (candidate, forms.DeclarativeFieldsMetaclass) : 
            self.add_form (args [0], candidate, * args [1 :], ** kw) 
            return candidate 
self.add_view (args [0], candidate, * args [1 :], ** kw) 
        return candidate 
return args 

    
    

    Fix the buggy line: return args
assistant
#Here is Python code to fix the buggy line: return args
.

return def ddecorator(