TypeError: Cannot read property 'on_off' of undefined
Updated from 2.2.0 to 3.3.1

Homebridge on latest version. I have a LB130 bulb as well and using the https://github.com/leematt/homebridge-tplink-lightbulb.

my config have already place the deviceTypes. However it still does not work. 

 {
        "platform": "Hs100",
        "name": "TPLink",
        "deviceTypes": ["plug"]
}

Sep 14 23:22:51 raspberrypi homebridge[13914]: /home/pi/homebridge-hs100/node_modules/hs100-api/lib/bulb.js:40
Sep 14 23:22:51 raspberrypi homebridge[13914]: let powerOn = (this.lightState.on_off === 1);
Sep 14 23:22:51 raspberrypi homebridge[13914]: ^
Sep 14 23:22:51 raspberrypi homebridge[13914]: TypeError: Cannot read property 'on_off' of undefined
Sep 14 23:22:51 raspberrypi homebridge[13914]: at Bulb.emitEvents (/home/pi/homebridge-hs100/node_modules/hs100-api/lib/bulb.js:40:35)
Sep 14 23:22:51 raspberrypi homebridge[13914]: at Bulb.set sysInfo (/home/pi/homebridge-hs100/node_modules/hs100-api/lib/device.js:59:10)
Sep 14 23:22:51 raspberrypi homebridge[13914]: at Bulb.set sysInfo [as sysInfo] (/home/pi/homebridge-hs100/node_modules/hs100-api/lib/bulb.js:21:19)
Sep 14 23:22:51 raspberrypi homebridge[13914]: at new Bulb (/home/pi/homebridge-hs100/node_modules/hs100-api/lib/bulb.js:12:41)
Sep 14 23:22:51 raspberrypi homebridge[13914]: at Client.getBulb (/home/pi/homebridge-hs100/node_modules/hs100-api/lib/client.js:123:12)
Sep 14 23:22:51 raspberrypi homebridge[13914]: at Client.getDeviceFromSysInfo (/home/pi/homebridge-hs100/node_modules/hs100-api/lib/client.js:138:41)
Sep 14 23:22:51 raspberrypi homebridge[13914]: at Socket.socket.on (/home/pi/homebridge-hs100/node_modules/hs100-api/lib/client.js:202:29)
Sep 14 23:22:51 raspberrypi homebridge[13914]: at emitTwo (events.js:106:13)
Sep 14 23:22:51 raspberrypi homebridge[13914]: at Socket.emit (events.js:194:7)
Sep 14 23:22:51 raspberrypi homebridge[13914]: at UDP.onMessage (dgram.js:544:8)
Sep 14 23:22:51 raspberrypi systemd[1]: homebridge.service: main process exited, code=exited, status=1/FAILURE
Sep 14 23:22:51 raspberrypi systemd[1]: Unit homebridge.service entered failed state.
