Backport CPython gh-137195

youknowone · youknowone · commit 36cc6d194597 · 2025-08-01T09:16:34.000+09:00
python/cpython#137195
diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
@@ -514,7 +514,12 @@ def has_no_debug_ranges():
     return not bool(config['code_debug_ranges'])
 
 def requires_debug_ranges(reason='requires co_positions / debug_ranges'):
-    return unittest.skipIf(has_no_debug_ranges(), reason)
+    try:
+        skip = has_no_debug_ranges()
+    except unittest.SkipTest as e:
+        skip = True
+        reason = e.args[0] if e.args else reason
+    return unittest.skipIf(skip, reason)
 
 @contextlib.contextmanager
 def suppress_immortalization(suppress=True):
