human
Solve the following python programming problem given the following code:
def _test_class_method_with_default(self, * args, **kwargs) : 
    class Foo (object) : 
        @ classmethod 
        def bar(cls, x, y, z = 3) : 
            pass 
cliutils.validate_args (Foo.bar, * kwargs, ** kwargs) 

    
    

    Fix the buggy line: cliutils.validate_args (Foo.bar, * kwargs, ** kwargs)
assistant
#Here is Python code to fix the buggy line: cliutils.

cliutils.validate_args (Foo.bar, * args, ** kwargs)