restore other loop closes

Author: blink1073

jupyter_client/channels.py

@@ -109,7 +109,7 @@ def run(self) -> None:
         loop = asyncio.new_event_loop()
         asyncio.set_event_loop(loop)
         loop.run_until_complete(self._async_run())
-        # loop.close()
+        loop.close()
 
     async def _async_run(self) -> None:
         """The thread's main activity.  Call start() instead."""

jupyter_client/threaded.py

@@ -243,6 +243,9 @@ def stop(self) -> None:
         self.close()
         self.ioloop = None
 
+    def __del__(self):
+        self.close()
+
     def close(self) -> None:
         if self.ioloop is not None:
             try: