class Foo:
	@staticmethod
	def keyErrorOnRed(colour):
	    def decorate(f):
	        def wrapped(*args, **kwargs):
	            if colour == "red":
	                raise KeyError("Better dead than red")
	            return f(*args, **kwargs)
	        return wrapped
	    return decorate
 
class Bar(Foo):
    @Foo.keyErrorOnRed("black")
    def __init__(self, a, b):
        self.vars = a, b
 
if __name__ == '__main__':
    barObj = Bar('can', 'haz')

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