bug in repairman fixed

dream/simulation/Repairman.py

@@ -26,7 +26,7 @@ Created on 14 Nov 2012
 models a repairman that can fix a machine when it gets failures
 '''
 
-from SimPy.Simulation import Resource
+from SimPy.Simulation import Resource, now
 import xlwt
 import scipy.stats as stat
 from ObjectResource import ObjectResource

dream/simulation/Source.py

@@ -85,7 +85,6 @@ class Source(CoreObject):
         activeObjectQueue=self.getActiveObjectQueue()
         
         i=0
-        from Globals import G            
         while 1:
             self.numberOfArrivals+=1           #we have one new arrival         
             entity=self.item(self.item.type+"_"+self.objName+"_"+str(i)) #create the Entity object and assign its name