fix: close asyncio event loop at exit to avoid destructor ValueError

app.py

@@ -1,6 +1,8 @@
 import os
 import logging
 from dotenv import load_dotenv
+import asyncio
+import atexit
 import gradio as gr
 import threading
 import requests
@@ -10,6 +12,25 @@ load_dotenv()
 logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
 logger = logging.getLogger(__name__)
 
+
+def _close_asyncio_loop():
+    try:
+        loop = asyncio.get_event_loop()
+        if loop.is_running():
+            try:
+                loop.call_soon_threadsafe(loop.stop)
+            except Exception:
+                pass
+        if not loop.is_closed():
+            try:
+                loop.close()
+            except Exception:
+                pass
+    except Exception:
+        pass
+
+atexit.register(_close_asyncio_loop)
+
 from generate_wisdom import generate_wisdom
 from post_to_facebook import post_to_facebook
 from generate_image import generate_image, generate_and_post