Update app.py

app.py

@@ -167,7 +167,8 @@ def chatbot_interface(message, history, use_web_search):
         main_content, sources = get_response_from_pdf(message)
     
     formatted_response = f"{main_content}\n\nSources:\n{sources}"
-    return formatted_response
+    history.append((message, formatted_response))
+    return history
 
 # Gradio interface
 with gr.Blocks() as demo:
@@ -181,13 +182,11 @@ with gr.Blocks() as demo:
     update_output = gr.Textbox(label="Update Status")
     update_button.click(update_vectors, inputs=[file_input, parser_dropdown], outputs=update_output)
     
-    with gr.Row():
-        chatbot = gr.Chatbot(label="Conversation")
-        with gr.Column():
-            msg = gr.Textbox(label="Ask a question")
-            use_web_search = gr.Checkbox(label="Use Web Search", value=False)
-            submit = gr.Button("Submit")
-    
+    chatbot = gr.Chatbot(label="Conversation")
+    msg = gr.Textbox(label="Ask a question")
+    use_web_search = gr.Checkbox(label="Use Web Search", value=False)
+    submit = gr.Button("Submit")
+
     gr.Examples(
         examples=[
             ["What are the latest developments in AI?"],