vucm: fix device channel instantiation

Author: rnovatorov

enapter/vucm/app.py

@@ -37,6 +37,7 @@ async def _run(self):
         device = await self._stack.enter_async_context(
             self._device_factory(
                 channel=enapter.mqtt.api.DeviceChannel(
+                    client=mqtt_client,
                     hardware_id=self._config.hardware_id,
                     channel_id=self._config.channel_id,
                 )

enapter/vucm/ucm.py

@@ -1,13 +1,15 @@
 import asyncio
 
+import enapter
+
 from .device import Device
 
 
 class UCM(Device):
     def __init__(self, mqtt_client, hardware_id):
         super().__init__(
-            channel=mqtt_client.device_channel(
-                hardware_id=hardware_id, channel_id="ucm"
+            channel=enapter.mqtt.api.DeviceChannel(
+                client=mqtt_client, hardware_id=hardware_id, channel_id="ucm"
             )
         )