Update app.py

app.py

@@ -14,6 +14,6 @@ def get_caption(image: str, question: str):
 
 @app.post("/caption")
 async def captioning(image: str, question):
-    return JSONResponse({"caption": asyncio.to_thread(get_caption, image, question)})
+    return JSONResponse({"caption": await asyncio.to_thread(get_caption, image, question)})
 
 # yo