send command to Puck.JS from the raspberry without Espruino Hub install

Amazing, saved me a heap of testing.

i get an error with your code

python puck_serial.py D8:19:E7:5B:3A:57

> Traceback (most recent call last):   File "puck_serial.py", line 13,
> in <module>
>     p = Peripheral(sys.argv[1], "random")   File "/usr/local/lib/python2.7/dist-packages/bluepy/btle.py", line 391, in
> __init__
>     self._connect(deviceAddr, addrType, iface)   File "/usr/local/lib/python2.7/dist-packages/bluepy/btle.py", line 439, in
> _connect
>     raise BTLEDisconnectError("Failed to connect to peripheral %s, addr type: %s" % (addr, addrType), rsp)
> bluepy.btle.BTLEDisconnectError: Failed to connect to peripheral
> D8:19:E7:5B:3A:57, addr type: random