def get_nowait(self):
        return self.get(False, 0)
Fails if `item1` contains `item2` one or more times.
dataset/ETHPy150Open tjguk/winsys/winsys/ipc.py/Mailslot.get_nowait--crossover with--dataset/ETHPy150Open shellderp/sublime-robot-plugin/lib/robot/libraries/BuiltIn.py/_Verify.should_not_contain