add exception logging

main.py

@@ -135,7 +135,10 @@ async def update(msg: Message):
 async def background_on_start():
     while True:
         logging.warning('Checking updates...')
+        try:
             await check_updates()
+        except Exception as e:
+            logging.exception(e)
         logging.warning('Sleeping...')
         await asyncio.sleep(60)