Update app.py

app.py

@@ -35,8 +35,9 @@ def health():
     return {"ok": True, "model": MODEL_ID}
 
 @app.post("/generate")
-def generate(file: UploadFile = File(...)):
-    img = Image.open(io.BytesIO(file.file.read())).convert("RGB")
+async def generate(file: UploadFile = File(...)):
+    data = await file.read()
+    img = Image.open(io.BytesIO(data)).convert("RGB")
     inputs = image_processor(img, return_tensors="pt")
 
     # Match encoder dtype/device (important when quantized/offloaded)