--- a/selectors.py	Fri Jun 24 16:59:45 2011 +0200
+++ b/selectors.py	Mon Jun 27 13:59:07 2011 +0200
@@ -1253,7 +1253,7 @@
 def on_fire_transition(etype, tr_name, from_state_name=None):
     """Return 1 when entity of the type `etype` is going through transition of
     the name `tr_name`.
-    
+
     If `from_state_name` is specified, this selector will also check the
     incoming state.
 
@@ -1262,7 +1262,7 @@
     will reference the matching `TrInfo` entity, allowing to get all the
     transition details (including the entity to which is applied the transition
     but also its original state, transition, destination state, user...).
-    
+
     See :class:`cubicweb.entities.wfobjs.TrInfo` for more information.
     """
     def match_etype_and_transition(trinfo):