CoreObject to send isRequested also in the new way

dream/simulation/Assembly.py

@@ -168,6 +168,7 @@ class Assembly(CoreObject):
                                                                     
                 for i in range(self.getActiveObjectQueue()[0].capacity):         #this loop will be carried until the Frame is full with the parts
                     self.printTrace(self.id, waitEvent='(to load parts)')
+                    self.expectedSignals['isRequested']=1
                     yield self.isRequested
                     if self.isRequested.value:
                         transmitter, eventTime=self.isRequested.value

dream/simulation/CoreObject.py

@@ -493,8 +493,10 @@ class CoreObject(ManPyObject):
             self.printTrace(self.id, signalReceiver=self.receiver.id)
             # assign the entry of the receiver
             self.receiver.assignEntryTo()
-            succeedTuple=(self,self.env.now)
-            self.receiver.isRequested.succeed(succeedTuple)
+            if self.receiver.expectedSignals['isRequested']:
+                succeedTuple=(self,self.env.now)
+                self.receiver.isRequested.succeed(succeedTuple)
+                self.receiver.expectedSignals['isRequested']=0
             return True
         # if no receiver can accept then try to preempt a receive if the stations holds a critical order
         self.preemptReceiver()