diff options
| -rw-r--r-- | Modules/posixmodule.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 5e5f35520c..7e6bdc8879 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -5083,8 +5083,10 @@ parse_envlist(PyObject* env, Py_ssize_t *envc_ptr) } envc = 0; keys = PyMapping_Keys(env); + if (!keys) + goto error; vals = PyMapping_Values(env); - if (!keys || !vals) + if (!vals) goto error; if (!PyList_Check(keys) || !PyList_Check(vals)) { PyErr_Format(PyExc_TypeError, |