Fixes the case where a handler attempts to run for every batch after any batch has notified it, regardless of whether the current batch did.
@@ -444,6 +444,7 @@ class PlayBook(object):
self.inventory.restrict_to(handler.notified_by)
self._run_task(play, handler, True)
self.inventory.lift_restriction()
+ handler.notified_by = []
self.inventory.lift_also_restriction()