def unassign(self):
        msg = message.ChannelUnassignMessage(number=self.number)
        self.node.driver.write(msg.encode())
        if self.node.evm.waitForAck(msg) >= RESPONSE_NO_ERROR:
            raise ChannelError('Could not unassign channel.')
        self.is_free = True
dataset/ETHPy150Open mvillalba/python-ant/src/ant/core/node.py/Channel.unassign/operator `!=` -> `>=`