Update app.py

app.py

@@ -24,6 +24,7 @@ app.add_middleware(
 async def complete(item: GenItem):
     try:
         result = await complete_gemini_async(item.chat, item.key, item.params)
+        return result
     except Exception as e:
         raise HTTPException(status_code=500, detail="An error occurred: {}".format(traceback.format_exc()))