fix aync requests

main.py

@@ -818,18 +818,21 @@ class HealthcareChatbot:
             #     loop.close()
             # except:
             #     print(traceback.format_exc())
-            def run_async():
-                new_loop = asyncio.new_event_loop()
-                asyncio.set_event_loop(new_loop)
-                try:
-                    return new_loop.run_until_complete(self.backend_call(router_data))
-                finally:
-                    new_loop.close()
-
-            import concurrent.futures
-            with concurrent.futures.ThreadPoolExecutor() as executor:
-                future = executor.submit(run_async)
-                api_response = future.result(timeout=30)  # 30 second timeout
+            try:
+                def run_async():
+                    new_loop = asyncio.new_event_loop()
+                    asyncio.set_event_loop(new_loop)
+                    try:
+                        return new_loop.run_until_complete(self.backend_call(router_data))
+                    finally:
+                        new_loop.close()
+
+                import concurrent.futures
+                with concurrent.futures.ThreadPoolExecutor() as executor:
+                    future = executor.submit(run_async)
+                    api_response = future.result(timeout=30)  # 30 second timeout
+            except:
+                print(traceback.format_exc())
             
             print("🔗 API response received:", api_response)