serde-ndim 2.2.1

---
source: src/ndarray.rs
expression: "roundtrip!(ArrayD < i32 >,\n        [[[1, 2, 3, 4], [5, 6, 7, 8]], [9, 10]]).unwrap_err()"
---

    |     ]
    |   ],
    |   [
 17 |     9,
    |      ^ invalid type: a single number, expected a sequence at line 17 column 5
    |     10
    |   ]
    | ]