Update app_gradio/app.py

app_gradio/app.py

@@ -50,7 +50,7 @@ def make_frontend(
     # build a basic browser interface to a Python function
     frontend = gr.Interface(
         fn=fn,
-        outputs=gr.components.Textbox(),
+        outputs=[gr.components.Textbox(), gr.components.Image()],
         inputs=gr.components.Image(type="pil", label="Chess Board"),
         title="♟️ Image to Fen",
         thumbnail="FAVICON",