Traceback (most recent call last):
  File "xyz\xxx\yyy.py", line 89, in <module>
    page.put(page_text, summary)
  File "xyz\pywikibot-core\pywikibot\tools\__init__.py", line 1105, in wrapper
    return obj(*__args, **__kw)
  File "xyz\pywikibot-core\pywikibot\page.py", line 1144, in put
    **kwargs)
  File "xyz\pywikibot-core\pywikibot\tools\__init__.py", line 1105, in wrapper
    return obj(*__args, **__kw)
  File "xyz\pywikibot-core\pywikibot\page.py", line 1062, in save
    cc=apply_cosmetic_changes, **kwargs)
  File "xyz\pywikibot-core\pywikibot\page.py", line 1070, in _save
    summary = self._cosmetic_changes_hook(summary) or summary
  File "xyz\pywikibot-core\pywikibot\page.py", line 1120, in _cosmetic_changes_hook
    self.text = ccToolkit.change(old)
  File "xyz\pywikibot-core\pywikibot\cosmetic_changes.py", line 279, in change
    new_text = self._change(text)
  File "xyz\pywikibot-core\pywikibot\cosmetic_changes.py", line 273, in _change
    text = self.safe_execute(method, text)
  File "xyz\pywikibot-core\pywikibot\cosmetic_changes.py", line 260, in safe_execute
    result = method(text)
  File "xyz\pywikibot-core\pywikibot\cosmetic_changes.py", line 849, in fixArabicLetters
    old = digits[digits.keys()[0]]
TypeError: 'dict_keys' object does not support indexing