NumPy tries to obtain a writable buffer to determine mutability. This was passing silently:
https://github.com/numpy/numpy/blob/e8d177f74adbe5c7630721a4ab3f20f58839ac99/numpy/core/src/multiarray/ctors.c#L3711 [ Full content available at: https://github.com/apache/arrow/pull/2567 ] This message was relayed via gitbox.apache.org for [email protected]
