From 34b72dc6fc511c900d0e27c415550fd625c4d724 Mon Sep 17 00:00:00 2001
From: da-woods <dw-git@d-woods.co.uk>
Date: Sun, 17 Jul 2022 21:18:54 +0100
Subject: Substitute subtest of Python 2.7

---
 tests/run/test_patma.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/run/test_patma.py b/tests/run/test_patma.py
index 240dbf0d3..61ac6957f 100644
--- a/tests/run/test_patma.py
+++ b/tests/run/test_patma.py
@@ -59,6 +59,16 @@ else:
 #  except for one test that seems misplaced in CPython (which is below)
 
 class TestTracing(unittest.TestCase):
+    if sys.version_info < (3, 4):
+        class SubTestClass(object):
+            def __enter__(self):
+                return self
+            def __exit__(self, exc_type, exc_value, traceback):
+                return
+            def __call__(self, *args):
+                return self
+        subTest = SubTestClass()
+
     def test_parser_deeply_nested_patterns(self):
         # Deeply nested patterns can cause exponential backtracking when parsing.
         # See CPython gh-93671 for more information.
-- 
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