Update Lib/asyncio/taskgroups.py

Author: graingert

Lib/asyncio/taskgroups.py

@@ -206,6 +206,9 @@ def create_task(self, coro, *, name=None, context=None):
             self._tasks.add(task)
             task.add_done_callback(self._on_task_done)
             if self._aborting:
+                # gh-128550: if this task is eager it might have started
+                # another eager task that aborts us, if so we must cancel
+                # this task.
                 task.cancel()
         return task