250        if (s) {
 251            s = py_strcat_realloc(s, delim);
 252            if (s == NULL) goto fail;
 253            s = py_strcat_realloc(s, part);
CID 10891: Logically dead code (DEADCODE)After this line (or expression), the value of "s" cannot be 0.
 254            if (s == NULL) goto fail;
 255        } else {
 256            s = py_strdup(part);
After this line (or expression), the value of "s" cannot be 0.
 257            if (s == NULL) goto fail;
 258        }
 259        Py_DECREF(item);
On this path, the condition "s == NULL" cannot be true.
 260        if (s == NULL) {
Execution cannot reach this statement "PyErr_NoMemory();".
 261            PyErr_NoMemory();
 262            goto fail;
 263        }
 264    }