Update app.py

app.py

@@ -10,9 +10,6 @@ from langchain.chains import RetrievalQA # for conversing with chatGPT
 from langchain.chat_models import ChatOpenAI # the LLM model we'll use (ChatGPT)
 
 
-def loading_pdf():
-   return "Loading..."
-
 def load_pdf(pdf_doc, open_ai_key):
     if openai_key is not None:
         os.environ['OPENAI_API_KEY'] = open_ai_key
@@ -58,14 +55,11 @@ with gr.Blocks(css=css,theme=gr.themes.Monochrome()) as demo:
         chatbot = gr.Chatbot([], elem_id="chatbot").style(height=350)
         question = gr.Textbox(label="Question", placeholder="Type your question and hit Enter ")
         submit_btn = gr.Button("Send Message")
-    load_pdf.click(loading_pdf, None, langchain_status, queue=False)    
+ 
     load_pdf.click(load_pdf, inputs=[pdf_doc, openai_key], outputs=[langchain_status], queue=False)
         
-    question.submit(answer_query, [question], [question]).then(
-        bot, chatbot, chatbot
-    )
-    submit_btn.click(answer_query, [chatbot,question], [chatbot, question]).then(
-        bot, chatbot, chatbot)
+    submit_btn.click(answer_query,question,chatbot)
+
 
 
 demo.launch()