From bbbaad21e828739a20c1bc0aead5e8de94863354 Mon Sep 17 00:00:00 2001
From: Peter Law <PeterJCLaw@gmail.com>
Date: Sun, 23 Jun 2024 12:55:12 +0100
Subject: [PATCH] Clarify filter by flipping the boolean logic

---
 test/test_utils.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/test_utils.py b/test/test_utils.py
index 31637d47..9a1f9110 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -84,8 +84,10 @@ class TestSetupReadline(unittest.TestCase):
         ]
         difference = {
             x for x in difference
-            if all(not x.startswith('from os import ' + prefix)
-                   for prefix in ACCEPTED_DIFFERENCE_PREFIXES)
+            if not any(
+                x.startswith('from os import ' + prefix)
+                for prefix in ACCEPTED_DIFFERENCE_PREFIXES
+            )
         }
         # There are quite a few differences, because both Windows and Linux
         # (posix and nt) libraries are included.