--- a/selectors.py	Fri Jun 14 16:13:24 2013 +0200
+++ b/selectors.py	Fri Jun 14 16:26:25 2013 +0200
@@ -35,8 +35,6 @@
 EClassSelector = class_renamed('EClassSelector', EClassPredicate)
 EntitySelector = class_renamed('EntitySelector', EntityPredicate)
 
-# XXX pre 3.7? bw compat
-
 
 class on_transition(is_in_state):
     """Return 1 if entity is in one of the transitions given as argument list