commit ac8b47c8b4edd59aaee857717d434df52ec49e6c
author Serhiy Storchaka <storchaka@gmail.com> Wed Dec 05 23:23:06 2018 +0200
committer GitHub <noreply@github.com> Wed Dec 05 23:23:06 2018 +0200
tree 04f189d3192316d806f97024652acb43307d37dc
parent 1de91a0032fed500ddd3d8c4fb7a38c0b8719f67

bpo-34604: Use %R because of invisible characters or trailing whitespaces. (GH-9165). (GH-10947)

(cherry picked from commit 34c7f0c04e2b4e715b2c3df1875af8939fbe7d0b)

Co-authored-by: William Grzybowski <wg@FreeBSD.org>

Modules/grpmodule.c

diff --git a/Modules/grpmodule.c b/Modules/grpmodule.c
index 43e45ef..8a724b6 100644
--- a/Modules/grpmodule.c
+++ b/Modules/grpmodule.c
@@ -156,7 +156,7 @@
         goto out;
 
     if ((p = getgrnam(name_chars)) == NULL) {
-        PyErr_Format(PyExc_KeyError, "getgrnam(): name not found: %S", name);
+        PyErr_Format(PyExc_KeyError, "getgrnam(): name not found: %R", name);
         goto out;
     }
     retval = mkgrent(p);