fixed inconsistency in generating crossed rule action list

Joshua Reich · Joshua Reich · commit ad56f39fcdc2 · 2014-02-26T11:19:52.000-05:00
diff --git a/pyretic/core/classifier.py b/pyretic/core/classifier.py
@@ -213,7 +213,7 @@ def _sequence_actions(a1, as2):
             if a1 == Controller or isinstance(a1, CountBucket):
                 return {a1}
             elif a1 == identity:
-                return as2
+                return copy.copy(as2)
             elif isinstance(a1, modify):
                 new_actions = set()
                 for a2 in as2:
