Merged revisions 80720 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r80720 | antoine.pitrou | 2010-05-03 18:25:33 +0200 (lun., 03 mai 2010) | 5 lines

  Issue #7865: The close() method of :mod:`io` objects should not swallow
  exceptions raised by the implicit flush().  Also ensure that calling
  close() several times is supported.  Patch by Pascal Chambon.
........
diff --git a/Modules/_bytesio.c b/Modules/_bytesio.c
index bbbb156..e369f81 100644
--- a/Modules/_bytesio.c
+++ b/Modules/_bytesio.c
@@ -163,6 +163,7 @@
 static PyObject *
 bytesio_flush(BytesIOObject *self)
 {
+    CHECK_CLOSED(self);
     Py_RETURN_NONE;
 }