| #!/usr/bin/env python3 | |
| import sys | |
| import time | |
| time.sleep(30) | |
| sys.stdout.write( | |
| 'Cache-Control: no-cache, must-revalidate\r\n' | |
| 'Location: data:image/gif;base64,R0lGODlhAQABAJAAAMjIyAAAACwAAAAAAQABAAACAgQBADs%3D\r\n' | |
| 'Content-Type: text/html\r\n\r\n' | |
| ) |