Traceback when running 'moin dump-html': 'Config' object has no attribute 'pkg'

[UlrichB22]

Seems to be related to #1899:

$ moin dump-html
[...]
2025-11-07 20:14:52,845 INFO moin.cli.maint.dump_html:97 Dump HTML started
Creating output directory /home/moindev/moin2_git/moin_wikis/wiki_initial/HTML, starting to copy supporting files
Traceback (most recent call last):
  File "/home/moindev/moin2_git/moin-venv-python3/bin/moin", line 8, in <module>
    sys.exit(cli())
             ^^^^^
  File "/home/moindev/moin2_git/moin-venv-python3/lib/python3.12/site-packages/click/core.py", line 1161, in __call__
    return self.main(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/moindev/moin2_git/moin-venv-python3/lib/python3.12/site-packages/click/core.py", line 1082, in main
    rv = self.invoke(ctx)
         ^^^^^^^^^^^^^^^^
  File "/home/moindev/moin2_git/moin-venv-python3/lib/python3.12/site-packages/click/core.py", line 1697, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/moindev/moin2_git/moin-venv-python3/lib/python3.12/site-packages/click/core.py", line 1443, in invoke
    return ctx.invoke(self.callback, **ctx.params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/moindev/moin2_git/moin-venv-python3/lib/python3.12/site-packages/click/core.py", line 788, in invoke
    return __callback(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/moindev/moin2_git/moin-venv-python3/lib/python3.12/site-packages/click/decorators.py", line 33, in new_func
    return f(get_current_context(), *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/moindev/moin2_git/moin-venv-python3/lib/python3.12/site-packages/flask/cli.py", line 400, in decorator
    return ctx.invoke(f, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/moindev/moin2_git/moin-venv-python3/lib/python3.12/site-packages/click/core.py", line 788, in invoke
    return __callback(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/moindev/moin2_git/moin-venv-python3/lib/python3.12/site-packages/moin/cli/maint/dump_html.py", line 133, in Dump
    pkg = app.cfg.pkg
          ^^^^^^^^^^^
AttributeError: 'Config' object has no attribute 'pkg'