Added required import (somehow we never seem to hit the unimported ref)

diff --git a/lib/sqlalchemy/util/langhelpers.py b/lib/sqlalchemy/util/langhelpers.py
index 1ed9c6c7bb688a76f9f46f5acebb6df492a6e117..5dd95190f7cd358f21f517465800ace25e12f0c6 100644 (file)
--- a/lib/sqlalchemy/util/langhelpers.py
+++ b/lib/sqlalchemy/util/langhelpers.py
@@ -11,6 +11,7 @@ modules, classes, hierarchies, attributes, functions, and methods.
 import itertools
 import inspect
 import operator
+import sys
 import types
 import warnings
 from compat import update_wrapper, set_types, threading