diff -r 151cc3b3d799 -r df448de7cf3b contrib/check-py3-compat.py
--- a/contrib/check-py3-compat.py	Sat Aug 13 12:18:58 2016 +0900
+++ b/contrib/check-py3-compat.py	Sat Aug 13 12:23:56 2016 +0900
@@ -17,7 +17,6 @@
 
 # Modules that have both Python and C implementations.
 _dualmodules = (
-    'parsers.py',
 )
 
 def check_compat_py2(f):