Fix inputs

app.py

@@ -55,7 +55,7 @@ demo = gr.Interface(
     title="Titanic Predictive Analytics",
     description="Experiment with Passenger class/Sex/Age/SibSp to predict if the person is survived or not.",
     allow_flagging="never",
-    inputs=inputs,
+    inputs=inputs(),
     outputs=gr.Textbox(label="Result: "))
 
 demo.launch()