diff options
| -rw-r--r-- | lib/sqlalchemy/event.py | 2 | ||||
| -rw-r--r-- | test/base/test_events.py | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/lib/sqlalchemy/event.py b/lib/sqlalchemy/event.py index ee4c0ad32..633cb96f8 100644 --- a/lib/sqlalchemy/event.py +++ b/lib/sqlalchemy/event.py @@ -352,7 +352,7 @@ class _EmptyListener(object): return iter(self.parent_listeners) def __nonzero__(self): - return False + return bool(self.parent_listeners) class _CompoundListener(object): _exec_once = False diff --git a/test/base/test_events.py b/test/base/test_events.py index 7ae05e6c3..657ddc1be 100644 --- a/test/base/test_events.py +++ b/test/base/test_events.py @@ -50,6 +50,13 @@ class EventsTest(fixtures.TestBase): eq_(len(self.Target().dispatch.event_two), 0) eq_(len(t1.dispatch.event_two), 0) + def test_bool_clslevel(self): + def listen_one(x, y): + pass + event.listen(self.Target, "event_one", listen_one) + t = self.Target() + assert t.dispatch.event_one + def test_register_class_instance(self): def listen_one(x, y): pass |