From: Arie Bovenberg <a.c.bovenberg@gmail.com>
Date: Thu, 20 Jan 2022 18:42:10 +0000 (+0100)
Subject: add slots to base class TransactionalContext
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f32b2cd3d514b941fde468808cfe9fa3e1fbcb1c;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

add slots to base class TransactionalContext
---

diff --git a/lib/sqlalchemy/engine/util.py b/lib/sqlalchemy/engine/util.py
index 7e41339bbb..6aadd5c5fe 100644
--- a/lib/sqlalchemy/engine/util.py
+++ b/lib/sqlalchemy/engine/util.py
@@ -43,7 +43,7 @@ class TransactionalContext:
 
     """
 
-    _trans_subject = None
+    __slots__ = ("_outer_trans_ctx", "_trans_subject")
 
     def _transaction_is_active(self):
         raise NotImplementedError()