fix: Handle when transport has been garbage collected.

Azure · Sep 3, 2024 · 2e5ca85 · 2e5ca85
1 parent e75d1c2
commit 2e5ca85
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/azure-iot-device/azure/iot/device/common/mqtt_transport.py b/azure-iot-device/azure/iot/device/common/mqtt_transport.py
@@ -190,6 +190,10 @@ def on_connect(client, userdata, flags, rc):
                     logger.warning(
                         "connection failed, but no on_mqtt_connection_failure_handler handler callback provided"
                     )
+            elif not this:
+                logger.info(
+                    "on_connect called with transport==None. Transport must have been garbage collected. stopping loop"
+                )
             elif this.on_mqtt_connected_handler:
                 try:
                     this.on_mqtt_connected_handler()