(python3.9) $ python pwb.py generate_family_file.py http://192.168.0.175/mywiki MyWiki
Generating family file from http://192.168.0.175/mywiki
Private wiki detected. Login is required.
Please enter your username? bot
WARNING: Http response status 404
Traceback (most recent call last):
  File "/home/myhome/GIT/pywikibot_from_gerrit/core/pwb.py", line 414, in <module>
    if not main():
  File "/home/myhome/GIT/pywikibot_from_gerrit/core/pwb.py", line 406, in main
    run_python_file(filename,
  File "/home/myhome/GIT/pywikibot_from_gerrit/core/pwb.py", line 106, in run_python_file
    exec(compile(source, filename, 'exec', dont_inherit=True),
  File "./generate_family_file.py", line 301, in <module>
    main()
  File "./generate_family_file.py", line 297, in main
    FamilyFileGenerator(*sys.argv[1:]).run()
  File "./generate_family_file.py", line 130, in run
    self.wikis[w.lang] = w
AttributeError: 'MWSite' object has no attribute 'lang'
CRITICAL: Exiting due to uncaught exception <class 'AttributeError'>