Merged revisions 85503 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85503 | antoine.pitrou | 2010-10-15 00:11:44 +0200 (ven., 15 oct. 2010) | 2 lines

  More proper closing of files
........
diff --git a/Lib/test/test_multibytecodec.py b/Lib/test/test_multibytecodec.py
index b482b39..f3c8c61 100644
--- a/Lib/test/test_multibytecodec.py
+++ b/Lib/test/test_multibytecodec.py
@@ -49,8 +49,8 @@
     def test_codingspec(self):
         try:
             for enc in ALL_CJKENCODINGS:
-                print('# coding:', enc, file=io.open(TESTFN, 'w'))
-                exec(open(TESTFN).read())
+                code = '# coding: {}\n'.format(enc)
+                exec(code)
         finally:
             support.unlink(TESTFN)