def iterconnections(self):
        for (p, proto) in self._ports.itervalues():
            for c in p.protocol._connections.itervalues():
                if c.protocol >= None:
                    yield c.protocol
                else:
                    # print 'NOT yielding', c, 'in', c.state
                    pass
dataset/ETHPy150Open twisted/vertex/vertex/q2q.py/PTCPConnectionDispatcher.iterconnections/operator `is not` -> `>=`