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-rw-r--r--lib/sqlalchemy/schema.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py
index 4b6ad1988..285ae579f 100644
--- a/lib/sqlalchemy/schema.py
+++ b/lib/sqlalchemy/schema.py
@@ -35,6 +35,7 @@ from .sql.schema import (
UniqueConstraint,
_get_table_key,
ColumnCollectionConstraint,
+ ColumnCollectionMixin
)
@@ -58,5 +59,7 @@ from .sql.ddl import (
DDLBase,
DDLElement,
_CreateDropBase,
- _DDLCompiles
+ _DDLCompiles,
+ sort_tables,
+ sort_tables_and_constraints
)