clean_commonscat.py about pywikibot-scripts HOT 3 OPEN

C:\pwb>pwb.py clean_commonscat.py -cat:Údržba:Commonscat_není_na_Wikidatech
WARNING: Http response status 404
WARNING: CommonscatCleaningBot.__init__ set the Bot.site property; this is only needed when the Bot accesses many sites.
Retrieving 50 pages from wikipedia:cs.


>>> .356 TSW <<<
Executing remaining deferred callbacks: 0 left

1 read operation
Execution time: 3 seconds
Read operation time: 3.0 seconds
Script terminated by exception:

ERROR: invalid group reference 1 at position 5 (error)
Traceback (most recent call last):
  File "C:\pwb\pwb.py", line 39, in <module>
    sys.exit(main())
  File "C:\pwb\pwb.py", line 35, in main
    runpy.run_path(str(path), run_name='__main__')
  File "C:\Python310\lib\runpy.py", line 289, in run_path
    return _run_module_code(code, init_globals, run_name,
  File "C:\Python310\lib\runpy.py", line 96, in _run_module_code
    _run_code(code, mod_globals, init_globals,
  File "C:\Python310\lib\runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "C:\pwb\pywikibot\scripts\wrapper.py", line 513, in <module>
    main()
  File "C:\pwb\pywikibot\scripts\wrapper.py", line 497, in main
    if not execute():
  File "C:\pwb\pywikibot\scripts\wrapper.py", line 484, in execute
    run_python_file(filename, script_args, module)
  File "C:\pwb\pywikibot\scripts\wrapper.py", line 147, in run_python_file
    exec(compile(source, filename, 'exec', dont_inherit=True),
  File "C:\pwb\scripts\userscripts\clean_commonscat.py", line 146, in <module>
    main()
  File "C:\pwb\scripts\userscripts\clean_commonscat.py", line 142, in main
    bot.run()
  File "C:\pwb\pywikibot\bot.py", line 1749, in run
    super().run()
  File "C:\pwb\pywikibot\bot.py", line 1664, in run
    self.treat(page)
  File "C:\pwb\pywikibot\bot.py", line 1917, in treat
    self.treat_page()
  File "C:\pwb\scripts\userscripts\clean_commonscat.py", line 93, in treat_page
    page_replaced_text = self.empty_sectionR.sub(
  File "C:\Python310\lib\re.py", line 326, in _subx
    template = _compile_repl(template, pattern)
  File "C:\Python310\lib\re.py", line 317, in _compile_repl
    return sre_parse.parse_template(repl, pattern)
  File "C:\Python310\lib\sre_parse.py", line 1048, in parse_template
    addgroup(int(this[1:]), len(this) - 1)
  File "C:\Python310\lib\sre_parse.py", line 992, in addgroup
    raise s.error("invalid group reference %d" % index, pos)
re.error: invalid group reference 1 at position 5
CRITICAL: Exiting due to uncaught exception error: invalid group reference 1 at position 5