diff options
| -rw-r--r-- | ryu/base/app_manager.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/ryu/base/app_manager.py b/ryu/base/app_manager.py index d433c59a..695c401e 100644 --- a/ryu/base/app_manager.py +++ b/ryu/base/app_manager.py @@ -226,9 +226,10 @@ class RyuApp(object): return handlers def test(h): - if ev_cls not in h.callers: - # this handler does not listen the event. - return False + if not hasattr(h, 'callers') or ev_cls not in h.callers: + # dynamically registered handlers does not have + # h.callers element for the event. + return True states = h.callers[ev_cls].dispatchers if not states: # empty states means all states |