(self)
Return True if the BLE adapter is scanning for devices, otherwise
        return False.
Return True if the BLE adapter is scanning for devices, otherwise
        return False.
Return True if the BLE adapter is scanning for devices otherwise return False .
def is_scanning(self):
        """Return True if the BLE adapter is scanning for devices, otherwise
        return False.
        """
        raise NotImplementedError
def is_scanning ( self ) : raise NotImplementedError