Update app.py

app.py

@@ -61,18 +61,16 @@ with gr.Blocks(css=css) as demo:
         with gr.Column():
             pdf_doc = gr.File(label="Load a pdf", file_types=['.pdf'], type="file")
             with gr.Row():
-                langchain_status = gr.Textbox(label="Status")
+                langchain_status = gr.Textbox(placeholder="Status", interactive=False)
                 load_pdf = gr.Button("Load pdf to langchain")
         
         chatbot = gr.Chatbot([], elem_id="chatbot").style(height=350)
         with gr.Row():
-            question = gr.Textbox(label="Question")
-            clear = gr.Button("Clear")
+            question = gr.Textbox(placeholder="Type your question and hit Enter ")
         
     load_pdf.click(pdf_changes, pdf_doc, langchain_status, queue=False)
     question.submit(add_text, [chatbot, question], [chatbot, question]).then(
         bot, chatbot, chatbot
     )
-    clear.click(lambda: None, None, chatbot, queue=False)
 
 demo.launch()