Update bot.py

bot.py

@@ -189,6 +189,10 @@ async def main():
     app.add_handler(CommandHandler("unban", unban))
     await app.run_polling()
 
-if __name__=="__main__":
+# New
+if __name__ == "__main__":
     import asyncio
-    asyncio.run(main())
+    import nest_asyncio
+    nest_asyncio.apply()  # Allow nested event loops
+
+    asyncio.get_event_loop().run_until_complete(main())