Index: branches/pyyaml3000/lib/yaml/resolver.py
===================================================================
--- branches/pyyaml3000/lib/yaml/resolver.py	(revision 56)
+++ branches/pyyaml3000/lib/yaml/resolver.py	(revision 57)
@@ -1,6 +1,13 @@
 
+__all__ = ['BaseResolver', 'Resolver', 'ResolverError']
+
+from error import MarkedYAMLError
 from nodes import *
 
 import re
+
+# Not really used.
+class ResolverError(MarkedYAMLError):
+    pass
 
 class BaseResolver: