C:\pwb\GIT\core>pwb.py clean_sandbox -lang:als
Preparing to process sandbox page [[Wikipedia:Sandchaschte]]
Traceback (most recent call last):
  File "C:\pwb\GIT\core\pwb.py", line 239, in <module>
    if not main():
  File "C:\pwb\GIT\core\pwb.py", line 233, in main
    run_python_file(filename, argv, argvu, file_package)
  File "C:\pwb\GIT\core\pwb.py", line 88, in run_python_file
    main_mod.__dict__)
  File ".\scripts\clean_sandbox.py", line 294, in <module>
    main()
  File ".\scripts\clean_sandbox.py", line 291, in main
    bot.run()
  File ".\scripts\clean_sandbox.py", line 204, in run
    subst = 'subst:' in translatedContent
TypeError: argument of type 'NoneType' is not iterable