diff options
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/collectionsmodule.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Modules/collectionsmodule.c b/Modules/collectionsmodule.c index a4cdcfa..f98bd49 100644 --- a/Modules/collectionsmodule.c +++ b/Modules/collectionsmodule.c @@ -1252,8 +1252,14 @@ defdict_init(PyObject *self, PyObject *args, PyObject *kwds) newargs = PyTuple_New(0); else { Py_ssize_t n = PyTuple_GET_SIZE(args); - if (n > 0) + if (n > 0) { newdefault = PyTuple_GET_ITEM(args, 0); + if (!PyCallable_Check(newdefault)) { + PyErr_SetString(PyExc_TypeError, + "first argument must be callable"); + return -1; + } + } newargs = PySequence_GetSlice(args, 1, n); } if (newargs == NULL) |