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-rw-r--r--Modules/cStringIO.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/cStringIO.c b/Modules/cStringIO.c
index 03ef461..100891b 100644
--- a/Modules/cStringIO.c
+++ b/Modules/cStringIO.c
@@ -657,7 +657,7 @@ newIobject(PyObject *s) {
char *buf;
Py_ssize_t size;
- if (PyObject_AsCharBuffer(s, (const void **)&buf, &size) != 0)
+ if (PyObject_AsCharBuffer(s, (const char **)&buf, &size) != 0)
return NULL;
self = PyObject_New(Iobject, &Itype);