diff options
-rw-r--r-- | sleekxmpp/xmlstream/scheduler.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sleekxmpp/xmlstream/scheduler.py b/sleekxmpp/xmlstream/scheduler.py index 70e36f24..f68af081 100644 --- a/sleekxmpp/xmlstream/scheduler.py +++ b/sleekxmpp/xmlstream/scheduler.py @@ -172,7 +172,8 @@ class Scheduler(object): else: updated = True self.schedule_lock.acquire() - self.schedule.append(newtask) + if newtask is not None: + self.schedule.append(newtask) finally: if updated: self.schedule = sorted(self.schedule, |