From aa02c99f95c3b91d15d11c1a88538cbe438bffb6 Mon Sep 17 00:00:00 2001
From: AlexWaygood <alex.waygood@gmail.com>
Date: Tue, 30 Jan 2024 11:26:39 +0000
Subject: [PATCH] regr_test.py: Run mypy with `--no-incremental`

---
 tests/regr_test.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/regr_test.py b/tests/regr_test.py
index 3d50aec406ea..b661ffae226d 100755
--- a/tests/regr_test.py
+++ b/tests/regr_test.py
@@ -177,6 +177,9 @@ def run_testcases(
         platform,
         "--strict",
         "--pretty",
+        # Avoid race conditions when reading the cache
+        # (https://github.com/python/typeshed/issues/11220)
+        "--no-incremental",
     ]
 
     if package.is_stdlib: