Update app.py

app.py

@@ -142,19 +142,19 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
             visible=False
         )
 
-    action_btn1.click(fn=lambda x: inference(x, 1),
+    action_btn1.click(fn=lambda x: inference(x, index_names[0]),
                       inputs=[
         abst,
     ],
         outputs=[a_output, j_output, n_output],
         api_name="neurojane")
-    action_btn2.click(fn=lambda x: inference(x, 2),
+    action_btn2.click(fn=lambda x: inference(x, index_names[1]),
                       inputs=[
         abst,
     ],
         outputs=[a_output, j_output, n_output],
         api_name="neurojane")
-    action_btn3.click(fn=lambda x: inference(x, 3),
+    action_btn3.click(fn=lambda x: inference(x, index_names[2]),
                       inputs=[
         abst,
     ],