Disable py_compile for Python 3 and pypy
diff --git a/CHANGES b/CHANGES
index 7dac016..2932d6a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -30,6 +30,7 @@
   filters.
 - Added support for `loop.depth` to figure out how deep inside a recursive
   loop the code is.
+- Disabled py_compile for pypy and python 3.
 
 Version 2.6
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