File py38.patch of Package python-immutables.23965

From 2b52677fdde34b1c89bdf4411ef95bd1ed0f343d Mon Sep 17 00:00:00 2001
From: Bruno Oliveira <nicoddemus@gmail.com>
Date: Sat, 2 Nov 2019 17:56:24 -0300
Subject: [PATCH] Add Python 3.8 support (#16)

Fix #15
---
 tests/test_map.py |  2 +-
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/tests/test_map.py b/tests/test_map.py
index 8d629f84..0b464cf2 100644
--- a/tests/test_map.py
+++ b/tests/test_map.py
@@ -1294,7 +1294,7 @@ def test_map_pickle(self):
             self.assertTrue(isinstance(uh, self.Map))
             self.assertEqual(h, uh)
 
-        with self.assertRaisesRegex(TypeError, "can't pickle"):
+        with self.assertRaisesRegex(TypeError, "can('t|not) pickle"):
             pickle.dumps(h.mutate())
 
     @unittest.skipIf(sys.version_info < (3, 7, 0), "__class_getitem__ is not available")