From 32d96a2b5bc3136d45a66adbdb45fac351b520ce Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Tue, 25 Dec 2018 13:23:47 +0200
Subject: bpo-23867: Argument Clinic: inline parsing code for a single
 positional parameter. (GH-9689)

---
 Python/getargs.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'Python/getargs.c')

diff --git a/Python/getargs.c b/Python/getargs.c
index 00e330dc5d3..550d0df6950 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -612,6 +612,14 @@ convertitem(PyObject *arg, const char **p_format, va_list *p_va, int flags,
 
 /* Format an error message generated by convertsimple(). */
 
+void
+_PyArg_BadArgument(const char *fname, const char *expected, PyObject *arg)
+{
+    PyErr_Format(PyExc_TypeError, "%.200s() argument must be %.50s, not %.50s",
+                 fname, expected,
+                 arg == Py_None ? "None" : arg->ob_type->tp_name);
+}
+
 static const char *
 converterr(const char *expected, PyObject *arg, char *msgbuf, size_t bufsize)
 {
-- 
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