ERP5Workflow: PERF: list comprehension instead of appending objects

product/ERP5Workflow/Document/InteractionWorkflow.py

@@ -210,11 +210,7 @@ class InteractionWorkflow(IdAsReferenceMixin("", "prefix"), Workflow):
 
   security.declarePrivate('getTransitionIdList')
   def getTransitionIdList(self):
-    id_list = []
-    append = id_list.append
-    for ob in self.objectValues(portal_type="Interaction"):
-      append(ob.getReference())
-    return id_list
+    return [ob.getReference() for ob in self.objectValues(portal_type="Interaction")]
 
   security.declarePrivate('notifyWorkflowMethod')
   def notifyWorkflowMethod(self, ob, transition_list, args=None, kw=None):

product/ERP5Workflow/Document/Worklist.py

@@ -142,9 +142,10 @@ class Worklist(IdAsReferenceMixin("worklist_", "prefix"), XMLObject,
           key_list.append('validation_state')
         if self.getMatchedCausalityState():
           key_list.append('causality_state')
-        for dynamic_variable in self.objectValues():
-          if dynamic_variable.getVariableValue() or dynamic_variable.getVariableExpression():
-            key_list.append(dynamic_variable.getReference())
+        
+        key_list += [dynamic_variable.getReference() for dynamic_variable in self.objectValues()
+         if dynamic_variable.getVariableValue() or dynamic_variable.getVariableExpression()]
+
         return key_list
 
     security.declareProtected(Permissions.AccessContentsInformation,