Update app.py

app.py

@@ -11,14 +11,13 @@ if my_api_key == "empty":
     print("Please give a api key!")
     sys.exit(1)
     
-# dropdown, js = create_theme_dropdown()
 gr.Chatbot.postprocess = postprocess
 
 
 with open("css_new.css", "r", encoding="utf-8") as f:
     css = f.read()
 
-with gr.Blocks(css=css,theme='gradio/soft') as demo:
+with gr.Blocks(css=css,theme=gr.themes.Soft()) as demo:
     history = gr.State([])
     token_count = gr.State([])
     promptTemplates = gr.State(load_template('myprompts.json', mode=2))