Googlecl authentication error

If you get an error like this:

> picasa list-albums
Traceback (most recent call last):
File "/usr/bin/google", line 445, in run_interactive
run_once(options, args)
File "/usr/bin/google", line 577, in run_once
task.run(client, options, args)
File "/usr/lib/pymodules/python2.6/googlecl/picasa/service.py", line 476, in _run_list_albums
force_photos=False)
File "/usr/lib/pymodules/python2.6/googlecl/picasa/service.py", line 96, in build_entry_list
album_entry = self.GetAlbum(user=user, titles=titles)
File "/usr/lib/pymodules/python2.6/googlecl/picasa/service.py", line 212, in get_album
return self.GetEntries(uri, titles)
File "/usr/lib/pymodules/python2.6/googlecl/base.py", line 206, in get_entries
feed = self.GetFeed(uri)
File "/usr/lib/pymodules/python2.6/gdata/photos/service.py", line 177, in GetFeed
return self.Get(uri, converter=gdata.photos.AnyFeedFromString)
File "/usr/lib/pymodules/python2.6/gdata/service.py", line 1063, in Get
headers=extra_headers)
File "/usr/lib/pymodules/python2.6/atom/__init__.py", line 92, in optional_warn_function
return f(*args, **kwargs)
File "/usr/lib/pymodules/python2.6/atom/service.py", line 185, in request
data=data, headers=all_headers)
File "/usr/lib/pymodules/python2.6/gdata/auth.py", line 865, in perform_request
if self.oauth_input_params.requestor_id:
AttributeError: 'OAuthInputParams' object has no attribute 'requestor_id'

the simplest fix is deleting googlecl configuration. For Ubuntu 10.10

rm -r ~/.config/googlecl/

will do the trick :-).