[pypy-commit] pypy default: another sanity check for a __pypy__ import

[bdkearns]

Author: Brian Kearns <bdkearns at gmail.com>
Branch: 
Changeset: r62604:22ae273e67c1
Date: 2013-03-20 22:06 -0400
http://bitbucket.org/pypy/pypy/changeset/22ae273e67c1/

Log:	another sanity check for a __pypy__ import

diff --git a/lib_pypy/cPickle.py b/lib_pypy/cPickle.py
--- a/lib_pypy/cPickle.py
+++ b/lib_pypy/cPickle.py
@@ -100,6 +100,7 @@
 try:
     from pickle import StringBuilderFile
 except ImportError:
+    assert '__pypy__' not in sys.builtin_module_names
     StringBuilderFile = StringIO
 
 PythonPickler = Pickler