Update app.py

app.py

@@ -65,10 +65,10 @@ with gr.Blocks() as demo:
         """)
     with gr.Row():
             with gr.Column(scale=1):
-                gr.inputs.Image(label="Upload any Image", type = 'pil', optional=True)
+                img = gr.inputs.Image(label="Upload any Image", type = 'pil', optional=True)
                 button = gr.Button(value="Describe")
             with gr.Column(scale=1):
-                gr.outputs.Textbox(type="text",label="Captions")   
+                out = gr.outputs.Textbox(type="text",label="Captions")   
                 
-    button.click(predict, gr.Textbox(), gr.Textbox())
+    button.click(predict, inputs=[img], outputs=[out])
 demo.launch(debug=True)