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-rw-r--r--sphinx/events.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/sphinx/events.py b/sphinx/events.py
index 0911dfaaa..82a52d762 100644
--- a/sphinx/events.py
+++ b/sphinx/events.py
@@ -115,7 +115,7 @@ class EventManager:
raise
except Exception as exc:
raise ExtensionError(__("Handler %r for event %r threw an exception") %
- (listener.handler, name)) from exc
+ (listener.handler, name), exc) from exc
return results
def emit_firstresult(self, name: str, *args: Any,