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-rw-r--r--lib/sqlalchemy/orm/interfaces.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/interfaces.py b/lib/sqlalchemy/orm/interfaces.py
index 153b17d26..9bc1c3dd0 100644
--- a/lib/sqlalchemy/orm/interfaces.py
+++ b/lib/sqlalchemy/orm/interfaces.py
@@ -22,7 +22,8 @@ from __future__ import absolute_import
from .. import exc as sa_exc, util, inspect
from ..sql import operators
from collections import deque
-from .base import ONETOMANY, MANYTOONE, MANYTOMANY, EXT_CONTINUE, EXT_STOP, NOT_EXTENSION
+from .base import (ONETOMANY, MANYTOONE, MANYTOMANY,
+ EXT_CONTINUE, EXT_STOP, NOT_EXTENSION)
from .base import _InspectionAttr, _MappedAttribute
from .path_registry import PathRegistry
import collections