update

app.py

@@ -7,6 +7,7 @@ client = Client("https://adept-fuyu-8b-demo.hf.space/--replicas/9kcqv/")
 
 filepath = "https://raw.githubusercontent.com/gradio-app/gradio/main/test/test_files/bus.png"
 question = "what color is the bus?"
+
 def vqa(image, prompt):
     result = client.predict(image,text,fn_index=3)
     return result
@@ -26,5 +27,10 @@ with gr.Blocks(css=css) as demo:
             text_input = gr.Textbox(label="Ask a Question")
             vqa_output = gr.Textbox(label="Output")
     vqa_btn = gr.Button("Answer Visual Question")
+    vqa_btn.click(
+            fn=vqa,
+            inputs = [image_input,text_input],
+            outputs = vqa_output
+        )
 
 demo.launch()