diff options
Diffstat (limited to 'Lib/asyncio/taskgroups.py')
| -rw-r--r-- | Lib/asyncio/taskgroups.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Lib/asyncio/taskgroups.py b/Lib/asyncio/taskgroups.py index cb9c1ce..e1c56d1 100644 --- a/Lib/asyncio/taskgroups.py +++ b/Lib/asyncio/taskgroups.py @@ -73,8 +73,10 @@ class TaskGroup: self._base_error is None): self._base_error = exc - propagate_cancellation_error = \ - exc if et is exceptions.CancelledError else None + if et is not None and issubclass(et, exceptions.CancelledError): + propagate_cancellation_error = exc + else: + propagate_cancellation_error = None if self._parent_cancel_requested: # If this flag is set we *must* call uncancel(). if self._parent_task.uncancel() == 0: @@ -133,7 +135,7 @@ class TaskGroup: if propagate_cancellation_error and not self._errors: raise propagate_cancellation_error - if et is not None and et is not exceptions.CancelledError: + if et is not None and not issubclass(et, exceptions.CancelledError): self._errors.append(exc) if self._errors: |