python pwb.py scripts/welcome.py -simulate
[MSG  ] Traceback (most recent call last):
  File "pwb.py", line 262, in <module>
    if not main():
  File "pwb.py", line 255, in main
    run_python_file(filename, [filename] + args, argvu, file_package)
  File "pwb.py", line 121, in run_python_file
    main_mod.__dict__)
  File "./scripts/welcome.py", line 993, in <module>
    main()
  File "./scripts/welcome.py", line 972, in main
    bot.run()
  File "./scripts/welcome.py", line 835, in run
    locale.getlocale()[1])
TypeError: decoding str is not supported
<class 'TypeError'>
CRITICAL: Closing network session.