tests: max_retries reduced from 15 to 1
test_cache_proofreadinfo_on_site_with_proofreadpage (__main__.TestSiteProofreadinfo.test_cache_proofreadinfo_on_site_with_proofreadpage)
Test Site._cache_proofreadinfo(). ... ok
test_cache_proofreadinfo_on_site_without_proofreadpage (__main__.TestSiteProofreadinfo.test_cache_proofreadinfo_on_site_without_proofreadpage)
Test Site._cache_proofreadinfo(). ... Exception ignored in garbage collection:
Traceback (most recent call last):
  File "D:\pwb\GIT\core\pywikibot\site\_basesite.py", line 187, in __getattr__
    def __getattr__(self, attr):

SystemError: <function BaseSite.family at 0x0000023AFBD87240> returned a result with an exception set
ERROR

======================================================================
ERROR: test_cache_proofreadinfo_on_site_without_proofreadpage (__main__.TestSiteProofreadinfo.test_cache_proofreadinfo_on_site_without_proofreadpage)
Test Site._cache_proofreadinfo().
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\pwb\GIT\core\tests\site_tests.py", line 1236, in test_cache_proofreadinfo_on_site_without_proofreadpage
    site.proofread_index_ns
  File "D:\pwb\GIT\core\pywikibot\site\_basesite.py", line 198, in __getattr__
    raise AttributeError(f'{type(self).__name__} instance has no '
AttributeError: APISite instance has no attribute 'proofread_index_ns'. Did you mean: 'proofread_page_ns'?

----------------------------------------------------------------------
Ran 2 tests in 1.739s

FAILED (errors=1)

import pywikibot
s = pywikibot.Site('en')
s._cache_proofreadinfo()
Traceback (most recent call last):
  File "<pyshell#2>", line 1, in <module>
    s._cache_proofreadinfo()
  File "D:\pwb\GIT\core\pywikibot\site\_decorators.py", line 58, in callee
    raise UnknownExtensionError(
pywikibot.exceptions.UnknownExtensionError: Method "_cache_proofreadinfo" is not implemented without the extension ProofreadPage
s.proofread_index_ns
Exception ignored in tp_clear of: <class 'cell'>
Traceback (most recent call last):
  File "D:\pwb\GIT\core\pywikibot\site\_basesite.py", line 187, in __getattr__
    def __getattr__(self, attr):

SystemError: <function BaseSite.family at 0x000002196EF56480> returned a result with an exception set
Traceback (most recent call last):
  File "<pyshell#3>", line 1, in <module>
    s.proofread_index_ns
  File "D:\pwb\GIT\core\pywikibot\site\_basesite.py", line 198, in __getattr__
    raise AttributeError(f'{type(self).__name__} instance has no '
AttributeError: APISite instance has no attribute 'proofread_index_ns'. Did you mean: 'proofread_page_ns'?

import pywikibot
s = pywikibot.Site('en')
s._cache_proofreadinfo()
Traceback (most recent call last):
  File "<pyshell#2>", line 1, in <module>
    s._cache_proofreadinfo()
  File "D:\pwb\GIT\core\pywikibot\site\_decorators.py", line 58, in callee
    raise UnknownExtensionError(
pywikibot.exceptions.UnknownExtensionError: Method "_cache_proofreadinfo" is not implemented without the extension ProofreadPage
s.proofread_index_ns
Traceback (most recent call last):
  File "<pyshell#3>", line 1, in <module>
    s.proofread_index_ns
  File "D:\pwb\GIT\core\pywikibot\site\_extensions.py", line 127, in proofread_index_ns
    self._cache_proofreadinfo()
  File "D:\pwb\GIT\core\pywikibot\site\_decorators.py", line 58, in callee
    raise UnknownExtensionError(
pywikibot.exceptions.UnknownExtensionError: Method "_cache_proofreadinfo" is not implemented without the extension ProofreadPage