Force parameters to be an empty list if none is given

This seems to work fine with yeelight and gen1 vacuum, however, more testing is needed with other devices and/or this change should only be done for the vacuum. Related to #348 / Xiaowa E352
rytilahti · Nov 10, 2018 · 7a5a0ea · 7a5a0ea
1 parent a271245
commit 7a5a0ea
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/miio/device.py b/miio/device.py
@@ -230,6 +230,8 @@ def send(self, command: str, parameters: Any=None, retry_count=3) -> Any:
 
         if parameters is not None:
             cmd["params"] = parameters
+        else:
+            cmd["params"] = []
 
         send_ts = self._device_ts + datetime.timedelta(seconds=1)
         header = {'length': 0, 'unknown': 0x00000000,