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-rw-r--r--lib/sqlalchemy/ansisql.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sqlalchemy/ansisql.py b/lib/sqlalchemy/ansisql.py
index 6956c5379..f1030b835 100644
--- a/lib/sqlalchemy/ansisql.py
+++ b/lib/sqlalchemy/ansisql.py
@@ -9,9 +9,9 @@ in the sql module."""
from sqlalchemy import schema, sql, engine, util
import sqlalchemy.engine.default as default
-import string, re
+import string, re, sets
-ANSI_FUNCS = util.HashSet([
+ANSI_FUNCS = sets.ImmutableSet([
'CURRENT_TIME',
'CURRENT_TIMESTAMP',
'CURRENT_DATE',