SF #515009, delete global variable that was apparently used only
in a for loop.
diff --git a/Lib/dis.py b/Lib/dis.py
index 6b4c67f..39bfb7d 100644
--- a/Lib/dis.py
+++ b/Lib/dis.py
@@ -135,6 +135,7 @@
 
 opname = [''] * 256
 for op in range(256): opname[op] = '<' + `op` + '>'
+del op
 
 def def_op(name, op):
     opname[op] = name