M. C.

> Attempting to use `async_notify_multiple_devices` yields > > ``` > Traceback (most recent call last): > ... > ... > File "/usr/local/lib/python3.6/dist-packages/pyfcm/fcm.py", line 81, in async_notify_multiple_devices > return self.send_async_request(payloads=payloads, timeout=timeout)...