Forgot to return NULL in joinfields() when a type error was detected
in one of the sequence items.
diff --git a/Modules/stropmodule.c b/Modules/stropmodule.c
index efb6ea1..1821db8 100644
--- a/Modules/stropmodule.c
+++ b/Modules/stropmodule.c
@@ -225,9 +225,11 @@
if (seqlen == 1) {
/* Optimization if there's only one item */
PyObject *item = PySequence_GetItem(seq, 0);
- if (item && !PyString_Check(item))
+ if (item && !PyString_Check(item)) {
PyErr_SetString(PyExc_TypeError,
"first argument must be sequence of strings");
+ return NULL;
+ }
return item;
}