@@ -9493,7 +9493,7 @@ PyUnicode_Join(PyObject *separator, PyObject *seq)
     PyObject *last_obj;
     unsigned int kind = 0;
 
-    fseq = PySequence_Fast(seq, "");
+    fseq = PySequence_Fast(seq, "can only join an iterable");
     if (fseq == NULL) {
         return NULL;
     }
Original file line number	Diff line number	Diff line change
@@ -9493,7 +9493,7 @@ PyUnicode_Join(PyObject separator, PyObject seq)
9493	9493	PyObject *last_obj;
9494	9494	unsigned int kind = 0;
9495	9495
9496		- fseq = PySequence_Fast(seq, "");
	9496	+ fseq = PySequence_Fast(seq, "can only join an iterable");
9497	9497	if (fseq == NULL) {
9498	9498	return NULL;
9499	9499	}