Merge pull request python-zeroconf#57 from herczy/master

stephenrauch · web-flow · commit 0225a18957a2 · 2016-06-26T15:50:16.000-07:00
resolve issue python-zeroconf#56: service browser initialization race
diff --git a/zeroconf.py b/zeroconf.py
@@ -1074,12 +1074,12 @@ def __init__(self, zc, type_, handlers=None, listener=None):
         self.delay = _BROWSER_TIME
         self._handlers_to_call = []
 
+        self._service_state_changed = Signal()
+
         self.done = False
 
         self.zc.add_listener(self, DNSQuestion(self.type, _TYPE_PTR, _CLASS_IN))
 
-        self._service_state_changed = Signal()
-
         if hasattr(handlers, 'add_service'):
             listener = handlers
             handlers = None
