Wikimedia Bugzilla is closed!

AttributeError: 'Page' object has no attribute '_isredir' occures but it never should occure after loadpageinfo method is executed:

WARNING: loadpageinfo: Query on [[ml:????????? ?????????]] returned data on '???
???? ?????'
Traceback (most recent call last):
  File "C:\pwb\core\pwb.py", line 103, in <module>
    run_python_file(fn, args)
  File "C:\pwb\core\pwb.py", line 49, in run_python_file
    exec compile(source, filename, "exec") in main_mod.__dict__
  File "C:\pwb\core\scripts\featured.py", line 672, in <module>
    main()
  File "C:\pwb\core\scripts\featured.py", line 665, in main
    bot.run()
  File "C:\pwb\core\scripts\featured.py", line 287, in run
    self.run_featured()
  File "C:\pwb\core\scripts\featured.py", line 350, in run_featured
    self.treat(code, task)
  File "C:\pwb\core\scripts\featured.py", line 359, in treat
    self.featuredWithInterwiki(fromsite, process)
  File "C:\pwb\core\scripts\featured.py", line 554, in featuredWithInterwiki
    atrans = self.findTranslated(a, tosite)
  File "C:\pwb\core\scripts\featured.py", line 472, in findTranslated
    if backpage.isRedirectPage():
  File "C:\pwb\core\pywikibot\page.py", line 445, in isRedirectPage
    return self.site.page_isredirect(self)
  File "C:\pwb\core\pywikibot\site.py", line 1364, in page_isredirect
    return page._isredir
AttributeError: 'Page' object has no attribute '_isredir'
Exception TypeError: TypeError("'NoneType' object is not callable",) in <bound m
ethod ConnectionPool.__del__ of {'https:yo.wikipedia.org': [<httplib2.python2.ht
tplib2.HTTPSConnectionWithTimeout instance at 0x000000003132D748>], 'https:lv.wi
...
b2.python2.httplib2.HTTPSConnectionWithTimeout instance at 0x000000000945DB08>],
 'https:simple.wikipedia.org': [<httplib2.python2.httplib2.HTTPSConnectionWithTi
meout instance at 0x000000002DD044C8>]}> ignored