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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _execute_and_seal_error(method, arg, method_name):
 """Execute method with arg and return the result. If the method fails, return a RayTaskError so it can be sealed in the resultOID and retried by user. """

    try:
        return method(arg)
    except Exception:
        return ray.worker.RayTaskError(method_name, traceback.format_exc())