From efe7256083bb94e85ce7b5ca5fa3122a5c0ce7a3 Mon Sep 17 00:00:00 2001
From: Barry Warsaw <barry@python.org>
Date: Wed, 8 Jun 2016 17:55:49 -0400
Subject: Fix a comment.

---
 Modules/_io/fileio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index 3d41d81..919cf50 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -423,7 +423,8 @@ _io_FileIO___init___impl(fileio *self, PyObject *nameobj, const char *mode,
             Py_DECREF(fdobj);
             if (self->fd < 0) {
                 if (!PyErr_Occurred()) {
-                    /* The opener returned -1.  See issue #27066 */
+                    /* The opener returned a negative but didn't set an
+                       exception.  See issue #27066 */
                     PyErr_Format(PyExc_ValueError,
                                  "opener returned %d", self->fd);
                 }
-- 
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