prevent cyclic garbage creation

python-trio · Oct 21, 2023 · 06c176c · 06c176c
1 parent 27ac88a
commit 06c176c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/trio/_core/_run.py b/trio/_core/_run.py
@@ -1087,6 +1087,7 @@ def aborted(raise_cancel: _core.RaiseCancelT) -> Abort:
                 exn = capture(raise_cancel).error
                 if not isinstance(exn, Cancelled):
                     self._add_exc(exn)
+                del exn  # prevent cyclic garbage creation
                 return Abort.FAILED
 
             self._parent_waiting_in_aexit = True