Merge pull request #56 from mdeweerd/dev

Fix issue with scan_device discovered commands args not being iterable

custom_components/zha_toolkit/scan_device.py

@@ -301,8 +301,14 @@ async def discover_commands_received(cluster, is_server, manufacturer=None):
                 cmd_id, (str(cmd_id), "not_in_zcl", None)
             )
             cmd_name, cmd_args, _ = cmd_data
+
             if not isinstance(cmd_args, str):
-                cmd_args = [arg.__name__ for arg in cmd_args]
+                if hasattr(cmd_args, "__iter__"):
+                    cmd_args = [arg.__name__ for arg in cmd_args]
+                else:
+                    # Unexpected type, get repr to make sure it is ok for json
+                    cmd_args = f"{cmd_args!r}"
+
             key = f"0x{cmd_id:02x}"
             result[key] = {
                 "command_id": f"0x{cmd_id:02x}",