address new error - interface object has no attribute style

app.py

@@ -53,6 +53,10 @@ def generate_answer_blip2(image, question):
 
     return generated_answer[0]  # Return the first (and typically only) generated answer
 
+# Function to display the demo interface
+def show_demo():
+    return gr.update(visible=True), gr.update(visible=True), gr.update(visible=True)
+
 # Setting up the Gradio interface with Blocks
 with gr.Blocks() as landing_page:
     gr.Markdown("# Welcome to the Visual Question Answering Demo")
@@ -62,22 +66,18 @@ with gr.Blocks() as landing_page:
     gr.Markdown("### Model Information: ")
     gr.Markdown("The BLIP2 model combines vision and language understanding to generate answer based on the provided image and question.")
     
-    with gr.Column():
+    with gr.Column() as demo_column:
         start_demo_button = gr.Button("Start Demo")
-        
-        # Hide the actual demo interface initially
-        demo_interface = gr.Interface(
-            fn=generate_answer_blip2,
-            inputs=[gr.Image(label="Upload Image"), gr.Textbox(label="Enter your question")],
-            outputs=gr.Textbox(label="Generated Answer"),
-            title="Visual Question Answering with DeiT-BLIP2 Model",
-            description="Upload an image and type a related question to receive an answer generated by the model."
-        ).style(visible=False)
-
-    def show_demo():
-        demo_interface.update(visible=True)
-
-    start_demo_button.click(fn=show_demo, inputs=None, outputs=None)
+        image_input = gr.Image(label="Upload Image", visible=False)
+        question_input = gr.Textbox(label="Enter your question", visible=False)
+        answer_output = gr.Textbox(label="Generated Answer", visible=False)
+
+    start_demo_button.click(fn=show_demo, inputs=None, outputs=[image_input, question_input, answer_output])
+
+    def generate_and_show_answer(image, question):
+        return generate_answer_blip2(image, question)
+
+    image_input.change(fn=generate_and_show_answer, inputs=[image_input, question_input], outputs=answer_output)
 
 if __name__ == "__main__":
     landing_page.launch()