[Python-checkins] GH-94644: fix test_curses ref leak (GH-94647)

[miss-islington]

https://github.com/python/cpython/commit/277f55cb04409ccdf651d43df5eb9dcb3ee3128c
commit: 277f55cb04409ccdf651d43df5eb9dcb3ee3128c
branch: main
author: Kumar Aditya <59607654+kumaraditya303 at users.noreply.github.com>
committer: miss-islington <31488909+miss-islington at users.noreply.github.com>
date: 2022-07-07T03:57:45-07:00
summary:

GH-94644: fix test_curses ref leak (GH-94647)

files:
M Modules/_cursesmodule.c

diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index 7e2699e1b5c5b..c10b2b302c602 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -383,6 +383,7 @@ PyCurses_ConvertToString(PyCursesWindowObject *win, PyObject *obj,
             return 0;
         /* check for embedded null bytes */
         if (PyBytes_AsStringAndSize(*bytes, &str, NULL) < 0) {
+            Py_CLEAR(*bytes);
             return 0;
         }
         return 1;