1 files changed, 1 insertions, 0 deletions
diff --git a/CHANGES b/CHANGES
index 6fabe36..596bfb1 100644
--- a/CHANGES
+++ b/CHANGES
@@ -27,6 +27,7 @@ Version 6.8
 
 - Disabled sys._getframes() on Python interpreters that don't support it. See
   #728.
+- Fix bug in test runner when calling ``sys.exit`` with ``None``. See #739.
 
 Version 6.7
 -----------