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-rw-r--r--Modules/_ctypes/_ctypes.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index 1942c63..8afb8cc 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -2665,8 +2665,11 @@ PyCData_setstate(PyObject *myself, PyObject *args)
int res;
PyObject *dict, *mydict;
CDataObject *self = (CDataObject *)myself;
- if (!PyArg_ParseTuple(args, "Os#", &dict, &data, &len))
+ if (!PyArg_ParseTuple(args, "O!s#",
+ &PyDict_Type, &dict, &data, &len))
+ {
return NULL;
+ }
if (len > self->b_size)
len = self->b_size;
memmove(self->b_ptr, data, len);