fix missing savepoint structures

diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py
index 87216585950cc8f4cdc99e16099a8166dc2b011e..ee4d81f6e90716c61d5c698a3cb9e76683e12486 100644 (file)
--- a/lib/sqlalchemy/sql/expression.py
+++ b/lib/sqlalchemy/sql/expression.py
@@ -37,6 +37,9 @@ from .elements import ClauseElement, ColumnElement,\
   collate, literal_column, between,\
   literal, outparam, type_coerce, ClauseList
 
+from .elements import SavepointClause, RollbackToSavepointClause, \
+  ReleaseSavepointClause
+
 from .base import ColumnCollection, Generative, Executable, \
           PARSE_AUTOCOMMIT