{"ast_node_type":"other","tokens":[{"end":28,"kind":"keyword","start":0,"text":"assert_pns_eq_sub!(\"%s\","}]}
    assert_pns_eq_sub!("%s",
        { None, "", None, None, None, "c", (0, 2), });
        { None, "", None, None, None, "s", (0, 2), });