human
Solve the following python programming problem given the following code:
def test_postprocessor_attribute(self) : 
    def postprocessor(path, key, value) : 
        try : 
            return ((key + ':int'), int (value)) 
except (ValueError, TypeError) : 
            return (key, value) 
self.assertEqual ({ 
        'a' : { 
            '@b:int' : 1, 
}, 
}, parse ('<a b="1"/>', postprocessor = self)) 

    
    

    Fix the buggy line: }, parse ('<a b="1"/>', postprocessor = self))
assistant
#Here is Python code to fix the buggy line: }, parse ('<a b="1"/>', postprocessor = self))
.

}, parse ('<a b="1"/>', postprocessor = postprocessor))