From: Raymond Hettinger <python@rcn.com>
Date: Mon, 20 Jul 2015 07:09:22 +0000 (-0400)
Subject: Issue #19663: Improve error message for defaultdict.
X-Git-Tag: v3.5.0b4~36^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=239aba7874d83eee798b19fe3fc11880516fb356;p=thirdparty%2FPython%2Fcpython.git

Issue #19663: Improve error message for defaultdict.
---

diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index 627fad575393..65803a4d629f 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -1682,7 +1682,7 @@ defdict_init(PyObject *self, PyObject *args, PyObject *kwds)
             newdefault = PyTuple_GET_ITEM(args, 0);
             if (!PyCallable_Check(newdefault) && newdefault != Py_None) {
                 PyErr_SetString(PyExc_TypeError,
-                    "first argument must be callable");
+                    "first argument must be callable or None");
                 return -1;
             }
         }