Update app.py

app.py

@@ -25,7 +25,7 @@ def get_y(r):
     return train_y[int(number)]
 
 
-with open('collab.pkl', 'rb') as f:
+with open('collaborativefiltering.pkl', 'rb') as f:
     learn = pickle.load(f)
 
 label = gr.outputs.Label()