human
Solve the following python programming problem given the following code:
def implementation(meth) : 
    def wrapped_test(self, * args, **kwargs) : 
        if (self.aggregator_class is None) : 
            raise unittest.SkipTest ('only test this on actual implementations') 
return meth (self, * args, ** kwargs) 
return meth 

    
    

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

return def wrapped_test(