def on_excepthandler(self, node): # ('type', 'name', 'body')
        # print("except handler %s / %s " % (node.type, ast.dump(node.name)))
        return (self.run(node.type), node.name, node.body)
exception handler...
dataset/ETHPy150Open xraypy/xraylarch/lib/interpreter.py/Interpreter.on_excepthandler