code: def __send_command(self, command, args=[]):
          '''Send a raw command.'''
          self.ws.send(json.dumps({"op": command, "args": args})f __send_command(self, command, args=[]):
          '''Send a raw command.'''
          self.ws.send(json.dumps({"op": command, "args": args}))
docs: Send a raw command.