Index: pyyaml/trunk/lib/yaml/constructor.py
===================================================================
--- pyyaml/trunk/lib/yaml/constructor.py	(revision 377)
+++ pyyaml/trunk/lib/yaml/constructor.py	(revision 380)
@@ -7,9 +7,4 @@
 
 import datetime
-
-try:
-    set
-except NameError:
-    from sets import Set as set
 
 import binascii, re, sys, types
@@ -503,9 +498,5 @@
                     "expected non-empty name appended to the tag", mark)
         if u'.' in name:
-            # Python 2.4 only
-            #module_name, object_name = name.rsplit('.', 1)
-            items = name.split('.')
-            object_name = items.pop()
-            module_name = '.'.join(items)
+            module_name, object_name = name.rsplit('.', 1)
         else:
             module_name = '__builtin__'