Update app.py

app.py

@@ -270,7 +270,7 @@ with gr.Blocks(css=custom_css) as demo:
     with gr.Row():
         output_label = gr.HTML(value='')  
     with gr.Row():
-        submit_button_pdf = gr.Button("ارفع الملف", interactive=Falseو variant='primary')
+        submit_button_pdf = gr.Button("ارفع الملف", interactive=False, variant='primary')
     with gr.Row():   
         chatbot = gr.Chatbot(label="الشات", height=400, rtl=True, show_copy_all_button=True, layout='bubble', scale=1, bubble_full_width=False)
     with gr.Row():