diff --git a/decompyle/Scanner.py b/decompyle/Scanner.py
--- a/decompyle/Scanner.py
+++ b/decompyle/Scanner.py
@@ -420,8 +420,8 @@ class Scanner:
 
         SETUP_LOOP    = self.dis.opmap['SETUP_LOOP']
         BUILD_LIST    = self.dis.opmap['BUILD_LIST']
-        FOR_ITER      = self.dis.opmap['FOR_ITER']
-        GET_ITER      = self.dis.opmap['GET_ITER']
+        FOR_ITER      = self.dis.opmap.get('FOR_ITER', self.dis.opmap['FOR_LOOP'])
+        GET_ITER      = self.dis.opmap.get('GET_ITER', None)
         SETUP_EXCEPT  = self.dis.opmap['SETUP_EXCEPT']
         JUMP_FORWARD  = self.dis.opmap['JUMP_FORWARD']
         JUMP_ABSOLUTE = self.dis.opmap['JUMP_ABSOLUTE']