def _live_receivers(self, senderkey):
        none_senderkey = _make_id(None)
        receivers = []

        for (receiverkey, r_senderkey), receiver in self.receivers:
            if r_senderkey == none_senderkey or r_senderkey == senderkey:
                if isinstance(receiver, WEAKREF_TYPES):
                    # Dereference the weak reference.
                    receiver = receiver()
                    if receiver is not None:
                        receivers.append(receiver)
                else:
                    receivers.append(receiver)
        return receivers
Initialize the layout for the underlying control.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/dispatch/dispatcher.py/Signal._live_receivers--crossover with--dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/qt_flow_area.py/QtFlowArea.init_layout