diff --git a/modules/liberation/pages/article.py b/modules/liberation/pages/article.py
index 25b1d6bd..c44b8505 100644
--- a/modules/liberation/pages/article.py
+++ b/modules/liberation/pages/article.py
@@ -17,10 +17,8 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
-from weboob.tools.browser import BrokenPageError
 from weboob.tools.capabilities.messages.genericArticle import GenericNewsPage,\
-    try_drop_tree, clean_relativ_urls, NoBodyElement, NoAuthorElement,\
-    NoneMainDiv
+    NoBodyElement, NoAuthorElement, NoneMainDiv
 
 
 class ArticlePage(GenericNewsPage):
diff --git a/modules/liberation/tools.py b/modules/liberation/tools.py
index 75a90ff5..eaa01b12 100644
--- a/modules/liberation/tools.py
+++ b/modules/liberation/tools.py
@@ -21,7 +21,7 @@ import re
 
 
 def url2id(url):
-    return url.split('0Dxtor')[0].split('0I')[-1]
+    return re.sub(u'[^\d]', '', url.split('0Dxtor')[0].split('0I')[-1])
 
 
 def rssid(entry):