rstrip error python2.4.3 not in 2.5.1?

[dirkheld]

>
> What is the actual error message [SyntaxError, NameError? etc] that you
> clipped?

Here it is : I tought that I didn't matter because the deliciousapi
worked fine on my mac.

Traceback (most recent call last):
  File "delgraph.py", line 62, in ?
    url_metadata = d.get_url(site.rstrip())
  File "deliciousapi.py", line 269, in get_url
    document.bookmarks =
self._extract_bookmarks_from_url_history(data)
  File "deliciousapi.py", line 297, in
_extract_bookmarks_from_url_history
    timestamp = datetime.datetime.strptime(month_string, '%b ‘
%y')
AttributeError: type object 'datetime.datetime' has no attribute
'strptime'