Update app.py

app.py

@@ -6,13 +6,13 @@ import json
 
 def process(json_input):
     try:
-        data = json_input
+        # json_input from gr.JSON() is STRING, so must parse
+        data = json.loads(json_input)
 
-        # Base64 → PIL Image
         img_bytes = base64.b64decode(data["image_b64"])
         img = Image.open(io.BytesIO(img_bytes))
 
-        return img  # <-- 直接顯示圖片
+        return img  # show image
 
     except Exception as e:
         return None