if the operator is released due to offshift interruption then exitTime is not...

if the operator is released due to offshift interruption then exitTime is not recorded to the off-shift schedule (off-shift is just started)

dream/simulation/Machine.py

@@ -1166,7 +1166,12 @@ class Machine(CoreObject):
         # this checks if the operator is working on the last element. 
         # If yes the time that he was set off-shift should be updated
         operator=self.currentOperator
-        operator.schedule[-1]["exitTime"] = self.env.now
+        station = operator.schedule[-1].get("station", None)
+        if station:
+            if issubclass(station.__class__, CoreObject):
+                operator.schedule[-1]["exitTime"] = self.env.now
+            elif not operator.schedule[-1]["station"].get("id", None)== "off-shift":
+                operator.schedule[-1]["exitTime"] = self.env.now
         # operator.schedule[-1]["entity"] = self.getActiveObjectQueue()[0]
         if not self.currentOperator.onShift:
             operator.timeLastShiftEnded=self.env.now