1 files changed, 6 insertions, 0 deletions
diff --git a/Modules/nismodule.c b/Modules/nismodule.c
index cdda1a6..948f756 100644
--- a/Modules/nismodule.c
+++ b/Modules/nismodule.c
@@ -524,5 +524,11 @@ static struct PyModuleDef nismodule = {
 PyMODINIT_FUNC
 PyInit_nis(void)
 {
+    if (PyErr_WarnEx(PyExc_DeprecationWarning,
+                     "'nis' is deprecated and slated for removal in "
+                     "Python 3.13",
+                     7)) {
+        return NULL;
+    }
     return PyModuleDef_Init(&nismodule);
 }