From: Guido van Rossum <guido@python.org>
Date: Fri, 24 Jul 1998 19:53:54 +0000 (+0000)
Subject: Use 'S' format character for the optional constructor argument, so we
X-Git-Tag: v1.5.2a1~232
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2a502d8304cdb92109a35ad32a3bfa4fe246d84f;p=python

Use 'S' format character for the optional constructor argument, so we
get a decent error message when it's not a string (instead of
confusing errors when trying to use the thing).
---

diff --git a/Modules/cStringIO.c b/Modules/cStringIO.c
index 2d7c940c08..494d895d3d 100644
--- a/Modules/cStringIO.c
+++ b/Modules/cStringIO.c
@@ -565,7 +565,7 @@ static PyObject *
 IO_StringIO(PyObject *self, PyObject *args) {
   PyObject *s=0;
 
-  UNLESS(PyArg_ParseTuple(args, "|O", &s)) return NULL;
+  UNLESS(PyArg_ParseTuple(args, "|S", &s)) return NULL;
   if(s) return newIobject(s);
   return newOobject(128);
 }