--- a/cubicweb/transaction.py	Wed Oct 05 15:28:43 2016 +0200
+++ b/cubicweb/transaction.py	Fri Sep 30 18:25:08 2016 +0200
@@ -16,7 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License along
 # with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
 """ undoable transaction objects. """
-__docformat__ = "restructuredtext en"
+
 from cubicweb import _
 
 from cubicweb import RepositoryError