From 6f02d5edd88fe2475629438b0730181a2b00c5fe Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sun, 20 Mar 2022 16:39:36 -0400
Subject: pep484 - SQL internals

non-strict checking for mostly internal or semi-internal
code

Change-Id: Ib91b47f1a8ccc15e666b94bad1ce78c4ab15b0ec
---
 lib/sqlalchemy/sql/roles.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'lib/sqlalchemy/sql/roles.py')

diff --git a/lib/sqlalchemy/sql/roles.py b/lib/sqlalchemy/sql/roles.py
index 4c4f49aa8..beb73c1b5 100644
--- a/lib/sqlalchemy/sql/roles.py
+++ b/lib/sqlalchemy/sql/roles.py
@@ -211,9 +211,11 @@ class StrictFromClauseRole(FromClauseRole):
     __slots__ = ()
     # does not allow text() or select() objects
 
-    c: ColumnCollection
+    c: ColumnCollection[Any]
 
-    @property
+    # this should be ->str , however, working around:
+    # https://github.com/python/mypy/issues/12440
+    @util.ro_non_memoized_property
     def description(self) -> str:
         raise NotImplementedError()
 
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