Update app.py

app.py

@@ -49,7 +49,7 @@ demo = gr.ChatInterface(
     additional_inputs=[
         gr.Textbox(value="""You are Qwen2.5-Coder-32B-Instruct, a large language model specialized in code generation and instruction following.
 Knowledge cutoff: 2023-08  (Assuming Qwen's last update was August 2023)
-Current date: """ + datetime.now.strftime("%m-%d-%Y, %H:%M:%S") + """
+Current date: """ + datetime.now().strftime("%m-%d-%Y, %H:%M:%S") + """
 
 # Interaction Environment