correction in SkilledOperatorRouter

dream/simulation/SkilledOperatorRouter.py

@@ -259,6 +259,7 @@ class SkilledRouter(Router):
                             for id in solution.keys():
                                 operator=findObjectById(id)
                                 station=findObjectById(solution[id])
+                                if station in self.toBeSignalled:
                                     # signal the station so that it gets the operator
                                     self.signalStation(station, operator)