$ pwd
/path/to/sakuraio-samples/python/ws
$ pip install -r requirements.txt
$ python main.py -u wss://api.sakura.io/ws/v1*****
$ python main.py -u wss://api.sakura.io/ws/v1/***********
start connecting to server
receive...{"module":"test-module","type":"connection","datetime":"2018-10-02T10:01:07.519946727Z","payload":{"is_online":true}}
receive...{"module":"test-module","type":"channels","datetime":"2018-10-02T10:01:07.964050849Z","payload":{"channels":[{"channel":0,"type":"l","value":0,"datetime":"2018-10-02T10:01:07.96405302Z"}]}}