import pywikibot
asite = pywikibot.Site('de')
#asite.login()
page = pywikibot.Page(asite, "Wien")
print (page.title()) # works
print (page.coordinates(primary_only=True)) # fails with 
# WARNING: API error mwoauth-invalid-authorization-invalid-user: The authorization headers in your request are for a user that does not exist here
# NoUsernameError: Failed OAuth authentication for wikipedia:test: The authorization headers in your request are for a user that does not exist here

---------------------------------------------------------------------------
NoUsernameError                           Traceback (most recent call last)
Cell In[60], line 6
      4 page = pywikibot.Page(asite, "Wien")
      5 print (page.title()) # works
----> 6 print (page.coordinates(primary_only=True)) # fails with 
      7 # WARNING: API error mwoauth-invalid-authorization-invalid-user: The authorization headers in your request are for a user that does not exist here
      8 # NoUsernameError: Failed OAuth authentication for wikipedia:test: The authorization headers in your request are for a user that does not exist here
      9 
   (...)
     13 #api.loadpageinfo(page)
     14 #page.loadpageprops()

File /srv/paws/lib/python3.10/site-packages/pywikibot/page/_basepage.py:1673, in BasePage.coordinates(self, primary_only)
   1671 if not hasattr(self, '_coords'):
   1672     self._coords = []
-> 1673     self.site.loadcoordinfo(self)
   1674 if primary_only:
   1675     for coord in self._coords:

File /srv/paws/lib/python3.10/site-packages/pywikibot/site/_decorators.py:58, in need_extension.<locals>.decorator.<locals>.callee(self, *args, **kwargs)
     54 if not self.has_extension(extension):
     55     raise UnknownExtensionError(
     56         'Method "{}" is not implemented without the extension {}'
     57         .format(fn.__name__, extension))
---> 58 return fn(self, *args, **kwargs)

File /srv/paws/lib/python3.10/site-packages/pywikibot/site/_extensions.py:183, in GeoDataMixin.loadcoordinfo(self, page)
    175 title = page.title(with_section=False)
    176 query = self._generator(api.PropertyGenerator,
    177                         type_arg='coordinates',
    178                         titles=title.encode(self.encoding()),
   (...)
    181                                 'globe'],
    182                         coprimary='all')
--> 183 self._update_page(page, query)

File /srv/paws/lib/python3.10/site-packages/pywikibot/site/_apisite.py:1438, in APISite._update_page(self, page, query, verify_imageinfo)
   1435 if not self.sametitle(pageitem['title'],
   1436                       page.title(with_section=False)):
   1437     raise InconsistentTitleError(page, pageitem['title'])
-> 1438 api.update_page(page, pageitem, query.props)
   1440 if verify_imageinfo and 'imageinfo' not in pageitem:
   1441     if 'missing' in pageitem:

File /srv/paws/lib/python3.10/site-packages/pywikibot/data/api/_generators.py:1021, in update_page(page, pagedict, props)
   1018     page._langlinks = set()
   1020 if 'coordinates' in pagedict:
-> 1021     _update_coordinates(page, pagedict['coordinates'])
   1023 if 'pageimage' in pagedict:
   1024     page._pageimage = pywikibot.FilePage(page.site, pagedict['pageimage'])

File /srv/paws/lib/python3.10/site-packages/pywikibot/data/api/_generators.py:950, in _update_coordinates(page, coordinates)
    948 coords = []
    949 for co in coordinates:
--> 950     coord = pywikibot.Coordinate(lat=co['lat'],
    951                                  lon=co['lon'],
    952                                  typ=co.get('type', ''),
    953                                  name=co.get('name', ''),
    954                                  dim=int(co.get('dim', 0)) or None,
    955                                  globe=co['globe'],  # See [[gerrit:67886]]
    956                                  primary='primary' in co
    957                                  )
    958     coords.append(coord)
    959 page._coords = coords

File /srv/paws/lib/python3.10/site-packages/pywikibot/_wbtypes.py:129, in Coordinate.__init__(self, lat, lon, alt, precision, globe, typ, name, dim, site, globe_item, primary)
    127 self.name = name
    128 self._dim = dim
--> 129 self.site = site or pywikibot.Site().data_repository()
    130 self.primary = primary
    132 if globe:

File /srv/paws/lib/python3.10/site-packages/pywikibot/__init__.py:243, in Site(code, fam, user, interface, url)
    241 key = f'{interface.__name__}:{fam}:{code}:{user}'
    242 if key not in _sites or not isinstance(_sites[key], interface):
--> 243     _sites[key] = interface(code=code, fam=fam, user=user)
    244     debug(f"Instantiated {interface.__name__} object '{_sites[key]}'")
    246     if _sites[key].code != code:

File /srv/paws/lib/python3.10/site-packages/pywikibot/site/_apisite.py:140, in APISite.__init__(self, code, fam, user)
    138 self._loginstatus = login.LoginStatus.NOT_ATTEMPTED
    139 with suppress(SiteDefinitionError):
--> 140     self.login(cookie_only=True)

File /srv/paws/lib/python3.10/site-packages/pywikibot/site/_apisite.py:400, in APISite.login(self, autocreate, user, cookie_only)
    398 try:
    399     del self.userinfo  # force reload
--> 400     if self.userinfo['name'] == self.user():
    401         self._loginstatus = login.LoginStatus.AS_USER
    402         return

File /srv/paws/lib/python3.10/site-packages/pywikibot/site/_apisite.py:668, in APISite.userinfo(self)
    661 if not hasattr(self, '_userinfo'):
    662     uirequest = self.simple_request(
    663         action='query',
    664         meta='userinfo',
    665         uiprop='blockinfo|hasmsg|groups|rights|ratelimits',
    666         formatversion=2,
    667     )
--> 668     uidata = uirequest.submit()
    669     assert 'query' in uidata, \
    670            "API userinfo response lacks 'query' key"
    671     assert 'userinfo' in uidata['query'], \
    672            "API userinfo response lacks 'userinfo' key"

File /srv/paws/lib/python3.10/site-packages/pywikibot/data/api/_requests.py:1087, in Request.submit(self)
   1085         pywikibot.error(f'Retrying failed {msg}')
   1086         continue
-> 1087     raise NoUsernameError(f'Failed {msg}')
   1089 if code == 'cirrussearch-too-busy-error':  # T170647
   1090     self.wait()

NoUsernameError: Failed OAuth authentication for wikipedia:test: The authorization headers in your request are for a user that does not exist here