Updating Chat bot and add launch

app.py

@@ -119,4 +119,9 @@ with gr.Blocks(css=css) as demo:
         question = gr.Textbox(label="Question", placeholder="Type your question and hit Enter")
         submit_button = gr.Button("Send Message")
     load_pdf.click(loading_pdf, None, langchain_status, queue=False)    
-    load_pdf.click(chat_api, inputs=[pdf_doc,file_extension,API_key,LLM_option], outputs=[langchain_status], queue=False)
+    load_pdf.click(chat_api, inputs=[pdf_doc,file_extension,API_key,LLM_option], outputs=[langchain_status], queue=False)
+    # question.submit(add_text, [chatbot, question], [chatbot, question]).then(
+    #     bot, chatbot, chatbot
+    # )
+
+demo.launch()