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-rw-r--r--lib/sqlalchemy/orm/collections.py11
1 files changed, 5 insertions, 6 deletions
diff --git a/lib/sqlalchemy/orm/collections.py b/lib/sqlalchemy/orm/collections.py
index 2ac94f826..f8f4b9583 100644
--- a/lib/sqlalchemy/orm/collections.py
+++ b/lib/sqlalchemy/orm/collections.py
@@ -108,8 +108,7 @@ import weakref
from ..sql import expression
from .. import util, exc as sa_exc
-orm_util = util.importlater("sqlalchemy.orm", "util")
-attributes = util.importlater("sqlalchemy.orm", "attributes")
+from . import base
__all__ = ['collection', 'collection_adapter',
@@ -139,8 +138,8 @@ class _PlainColumnGetter(object):
return self.cols
def __call__(self, value):
- state = attributes.instance_state(value)
- m = orm_util._state_mapper(state)
+ state = base.instance_state(value)
+ m = base._state_mapper(state)
key = [
m._get_state_attr_by_column(state, state.dict, col)
@@ -167,8 +166,8 @@ class _SerializableColumnGetter(object):
return _SerializableColumnGetter, (self.colkeys,)
def __call__(self, value):
- state = attributes.instance_state(value)
- m = orm_util._state_mapper(state)
+ state = base.instance_state(value)
+ m = base._state_mapper(state)
key = [m._get_state_attr_by_column(
state, state.dict,
m.mapped_table.columns[k])