Update app.py

Added the code so that it shows an error

app.py

@@ -262,4 +262,4 @@ with gr.Blocks(css=css) as Tryon:
 
 # ip = requests.get('http://ifconfig.me/ip', timeout=1).text.strip()
 # print("ip address", ip)
-Tryon.launch()
+Tryon.launch(show_error=True)