Index: pyyaml/trunk/tests/lib/test_errors.py
===================================================================
--- pyyaml/trunk/tests/test_errors.py	(revision 322)
+++ pyyaml/trunk/tests/lib/test_errors.py	(revision 330)
@@ -51,5 +51,6 @@
     code = open(error_filename, 'rb').read()
     try:
-        import yaml, StringIO
+        import yaml
+        from StringIO import StringIO
         exec code
     except yaml.YAMLError, exc: