1 files changed, 18 insertions, 1 deletions
diff --git a/Python/getargs.c b/Python/getargs.c
index d644aea..062f814 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -2787,6 +2787,7 @@ _PyArg_UnpackStack(PyObject *const *args, Py_ssize_t nargs, const char *name,
 
 
 #undef _PyArg_NoKeywords
+#undef _PyArg_NoKwnames
 #undef _PyArg_NoPositional
 
 /* For type constructors that don't take keyword args
@@ -2813,7 +2814,6 @@ _PyArg_NoKeywords(const char *funcname, PyObject *kwargs)
     return 0;
 }
 
-
 int
 _PyArg_NoPositional(const char *funcname, PyObject *args)
 {
@@ -2831,6 +2831,23 @@ _PyArg_NoPositional(const char *funcname, PyObject *args)
     return 0;
 }
 
+int
+_PyArg_NoKwnames(const char *funcname, PyObject *kwnames)
+{
+    if (kwnames == NULL) {
+        return 1;
+    }
+
+    assert(PyTuple_CheckExact(kwnames));
+
+    if (PyTuple_GET_SIZE(kwnames) == 0) {
+        return 1;
+    }
+
+    PyErr_Format(PyExc_TypeError, "%s() takes no keyword arguments", funcname);
+    return 0;
+}
+
 void
 _PyArg_Fini(void)
 {