我的蓝牙智能秤存在问题。 我可以在我的Android手机上发现它。 但是当我运行这段代码时（在python2和python3中）：
import bluetooth
bluetooth.discover_devices()
然后它返回空列表[]
当我运行这些命令时：
bluetoothctl
[bluetooth]# power on
[bluetooth]# agent on
[bluetooth]# default-agent
[bluetooth]# scan on
Discovery started
[CHG] Controller 00:15:83:4F:32:56 Discovering: yes
[CHG] Device F0:C7:7F:2A:8D:CA RSSI: -83
[CHG] Device F0:C7:7F:2A:8D:CA ManufacturerData Key: 0x0000
[CHG] Device F0:C7:7F:2A:8D:CA ManufacturerData Value: 0xf0
[CHG] Device F0:C7:7F:2A:8D:CA ManufacturerData Value: 0xc7
[CHG] Device F0:C7:7F:2A:8D:CA ManufacturerData Value: 0x7f
[CHG] Device F0:C7:7F:2A:8D:CA ManufacturerData Value: 0x2a
[CHG] Device F0:C7:7F:2A:8D:CA ManufacturerData Value: 0x8d
[CHG] Device F0:C7:7F:2A:8D:CA ManufacturerData Value: 0xca
发现了规模。 有没有人知道，为什么pybluez无法发现这个设备？
谢谢！