Update app.py

app.py

@@ -107,4 +107,5 @@ if __name__ == "__main__":
             scales=list(np.random.rand(NUM_SCALES)),
             metadata={"title": f"Item {i}"}
         ))
+    recommend("user1")
     uvicorn.run(app, host="0.0.0.0", port=7860)