Gain exclusive access to card during APDU transmission for if this
        decorator decorates a PCSCCardConnection.

def transmit(self, bytes, protocol=None):
        '''Gain exclusive access to card during APDU transmission for if this
        decorator decorates a PCSCCardConnection.'''
        data, sw1, sw2 = CardConnectionDecorator.transmit(
            self, bytes, protocol)
        return data, sw1, sw2