commit ea773eb1f9e79e9f558ca1fe8909cf6ac1c00371
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Mon Dec 10 04:37:09 2018 -0800
committer GitHub <noreply@github.com> Mon Dec 10 04:37:09 2018 -0800
tree 30dfab6f256b79e269a74acf681f57f5ebc9b01a
parent 1467a3ac121897c2ad7512d664478d8916a35217

bpo-35452: Make PySys_HasWarnOptions() never raising an exception. (GH-11075)

(cherry picked from commit dffccc6b594951fc798973e521da205785823f0f)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Python/sysmodule.c

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index a048507..efe5b29 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1823,7 +1823,8 @@
 PySys_HasWarnOptions(void)
 {
     PyObject *warnoptions = _PySys_GetObjectId(&PyId_warnoptions);
-    return (warnoptions != NULL && (PyList_Size(warnoptions) > 0)) ? 1 : 0;
+    return (warnoptions != NULL && PyList_Check(warnoptions)
+            && PyList_GET_SIZE(warnoptions) > 0);
 }
 
 static PyObject *