fix fallback definition for _sentinel in tb_format

zopefoundation · Dec 10, 2024 · 314656b · 314656b
1 parent 13f3b74
commit 314656b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/zope/testrunner/tb_format.py b/src/zope/testrunner/tb_format.py
@@ -25,8 +25,8 @@
 try:
     from traceback import _sentinel
 except ImportError:
-    # before 3.12
-    _sentinel = False
+    # before 3.10
+    _sentinel = None
 
 
 def _iter_chain(exc, custom_tb=None, seen=None):