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ERROR: testLinks (tests.page_tests.TestPageObject)
Test the different types of links from a page.
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Traceback (most recent call last):
  File "D:\a\pywikibot\pywikibot\tests\page_tests.py", line 543, in testLinks
    for p in mainpage.langlinks():
  File "D:\a\pywikibot\pywikibot\pywikibot\page\_basepage.py", line 1606, in langlinks
    self._langlinks = set(self.iterlanglinks(include_obsolete=True))
  File "D:\a\pywikibot\pywikibot\pywikibot\site\_generators.py", line 897, in pagelanglinks
    link = pywikibot.Link.langlinkUnsafe(linkdata['lang'],
  File "D:\a\pywikibot\pywikibot\pywikibot\page\_links.py", line 591, in langlinkUnsafe
    link._site = pywikibot.Site(lang, source.family.name)
  File "D:\a\pywikibot\pywikibot\pywikibot\__init__.py", line 254, in Site
    _sites[key] = interface(code=code, fam=fam, user=user)
  File "D:\a\pywikibot\pywikibot\pywikibot\site\_apisite.py", line 129, in __init__
    super().__init__(code, fam, user)
  File "D:\a\pywikibot\pywikibot\pywikibot\site\_basesite.py", line 90, in __init__
    raise UnknownSiteError(error_msg)
pywikibot.exceptions.UnknownSiteError: Language 'sgs' does not exist in family wikipedia

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ERROR: test_pagelanglinks (tests.site_generators_tests.TestSiteGenerators)
Test Site.pagelanglinks.
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Traceback (most recent call last):
  File "D:\a\pywikibot\pywikibot\tests\site_generators_tests.py", line 211, in test_pagelanglinks
    for ll in self.site.pagelanglinks(self.mainpage):
  File "D:\a\pywikibot\pywikibot\pywikibot\site\_generators.py", line 897, in pagelanglinks
    link = pywikibot.Link.langlinkUnsafe(linkdata['lang'],
  File "D:\a\pywikibot\pywikibot\pywikibot\page\_links.py", line 591, in langlinkUnsafe
    link._site = pywikibot.Site(lang, source.family.name)
  File "D:\a\pywikibot\pywikibot\pywikibot\__init__.py", line 254, in Site
    _sites[key] = interface(code=code, fam=fam, user=user)
  File "D:\a\pywikibot\pywikibot\pywikibot\site\_apisite.py", line 129, in __init__
    super().__init__(code, fam, user)
  File "D:\a\pywikibot\pywikibot\pywikibot\site\_basesite.py", line 90, in __init__
    raise UnknownSiteError(error_msg)
pywikibot.exceptions.UnknownSiteError: Language 'sgs' does not exist in family wikipedia

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Ran 1928 tests in 845.162s