Python Wikipedia Robot Framework

done in r7647

It happens also with other scripts like basic.py or category.py
example:

python pywikipedia/category.py listify -from:Warszawa
-to:"Wikipedysta:mastiBot/wawtest"
Reading dump from category.dump.bz2
Getting [[Kategoria:Warszawa]]...
Dumping to category.dump.bz2, please wait...
Traceback (most recent call last):
File "pywikipedia/category.py", line 1020, in <module>
bot.run()
File "pywikipedia/category.py", line 524, in run
listOfArticles = self.cat.articlesList(recurse = self.recurse)
File "/home/mst/pw/pywikipedia/catlib.py", line 420, in articlesList
for article in self.articles(recurse):
File "/home/mst/pw/pywikipedia/catlib.py", line 405, in articles
for tag, page in gen(recurse=recurse, startFrom=startFrom):
File "/home/mst/pw/pywikipedia/catlib.py", line 162, in
_getContentsNaive
for tag, page in self._parseCategory(startFrom=startFrom):
File "/home/mst/pw/pywikipedia/catlib.py", line 219, in _parseCategory
data = query.GetData(params, self.site())
File "/home/mst/pw/pywikipedia/query.py", line 124, in GetData
jsontext = site.getUrl( path, retry=True, sysop=sysop, data=data)
File "/home/mst/pw/pywikipedia/wikipedia.py", line 5565, in getUrl
if self.cookies(sysop = sysop) and not no_hostname:
File "/home/mst/pw/pywikipedia/wikipedia.py", line 5198, in cookies
self._loadCookies(sysop = sysop)
File "/home/mst/pw/pywikipedia/wikipedia.py", line 5241, in _loadCookies
if k not in self._cookies[index]:
TypeError: argument of type 'NoneType' is not iterable

python pywikipedia/version.py
Pywikipedia (r7643 (wikipedia.py), 2009/11/13, 12:58:33)
Python 2.6 (r26:66714, Jun 8 2009, 16:07:26)
[GCC 4.4.0 20090506 (Red Hat 4.4.0-4)]