1 files changed, 8 insertions, 16 deletions
diff --git a/test/orm/test_backref_mutations.py b/test/orm/test_backref_mutations.py
index 7faa650d7..8647ddb78 100644
--- a/test/orm/test_backref_mutations.py
+++ b/test/orm/test_backref_mutations.py
@@ -9,23 +9,15 @@ UPDATE in the database.
 
 """
 
-from sqlalchemy.testing import assert_raises, assert_raises_message
-from sqlalchemy import Integer, String, ForeignKey, Sequence, exc as sa_exc
-from sqlalchemy.testing.schema import Table
-from sqlalchemy.testing.schema import Column
-from sqlalchemy.orm import (
-    mapper,
-    relationship,
-    create_session,
-    class_mapper,
-    backref,
-    sessionmaker,
-    Session,
-)
-from sqlalchemy.orm import attributes, exc as orm_exc
 from sqlalchemy import testing
-from sqlalchemy.testing import eq_, is_
-from sqlalchemy.testing import fixtures
+from sqlalchemy.orm import attributes
+from sqlalchemy.orm import backref
+from sqlalchemy.orm import mapper
+from sqlalchemy.orm import relationship
+from sqlalchemy.orm import Session
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy.testing import eq_
+from sqlalchemy.testing import is_
 from test.orm import _fixtures