don't reach in and grab _loop

Author: untzag

yaqd-fakes/yaqd_fakes/_fake_sensor.py

@@ -28,7 +28,7 @@ def __init__(self, name, config, config_filepath):
                 self._channel_generators[name] = random_walk(min_, max_)
             else:
                 raise Exception(f"channel kind {kwargs['kind']} not recognized")
-        self._loop.create_task(self._update_measurements())
+        asyncio.get_running_loop().create_task(self._update_measurements())
 
     async def _update_measurements(self):
         while True: