From: Arie Bovenberg <a.c.bovenberg@gmail.com>
Date: Mon, 31 Jan 2022 20:34:10 +0000 (+0100)
Subject: allow weakref to TransactionContext classes
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4d69a6932a9de60270c458f9f6526754315547b5;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

allow weakref to TransactionContext classes
---

diff --git a/lib/sqlalchemy/engine/util.py b/lib/sqlalchemy/engine/util.py
index 6aadd5c5fe..32b59e8e60 100644
--- a/lib/sqlalchemy/engine/util.py
+++ b/lib/sqlalchemy/engine/util.py
@@ -43,7 +43,7 @@ class TransactionalContext:
 
     """
 
-    __slots__ = ("_outer_trans_ctx", "_trans_subject")
+    __slots__ = ("_outer_trans_ctx", "_trans_subject", "__weakref__")
 
     def _transaction_is_active(self):
         raise NotImplementedError()