Update app.py

app.py

@@ -27,7 +27,7 @@ def load_model(version):
 def predict(uploaded_image, melody, duration):
     text = img_to_text(uploaded_image, 'best', 4, fn_index=1)[0]
     global MODEL
-    topk = int(topk)
+    topk = int(250)
     if MODEL is None or MODEL.name != "melody":
         MODEL = load_model("melody")