def set_exchange(self, use_exchange):
        if self.use_exchanges not in use_exchange:
            return
        self.use_exchanges.remove(use_exchange)
        self.use_exchanges.insert(0, use_exchange)
        self.refresh_balance()
dataset/ETHPy150Open bitxbay/BitXBay/electru/build/lib/electrum_gui/qt/lite_window.py/MiniWindow.set_exchange/swapped operands of `not in`