From d3f8f4eb4cfa3a89164e4ef723d1cc80eb07a68c Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 10 Apr 2014 09:51:26 +0900 Subject: [PATCH] RyuApp: delete a key without handlers when unregistering a handler Signed-off-by: FUJITA Tomonori --- ryu/base/app_manager.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/ryu/base/app_manager.py b/ryu/base/app_manager.py index bdba1ec6..971918cc 100644 --- a/ryu/base/app_manager.py +++ b/ryu/base/app_manager.py @@ -169,6 +169,8 @@ class RyuApp(object): def unregister_handler(self, ev_cls, handler): assert callable(handler) self.event_handlers[ev_cls].remove(handler) + if not event_handlers[ev_cls]: + del event_handlers[ev_cls] def register_observer(self, ev_cls, name, states=None): states = states or set()