Function format_unpack

crates/vm/src/builtins/memory.rs:1135–1147

(
    format_spec: &FormatSpec,
    bytes: &[u8],
    vm: &VirtualMachine,
)

}

fn format_unpack(
    format_spec: &FormatSpec,
    bytes: &[u8],
    vm: &VirtualMachine,
) -> PyResult<PyObjectRef> {
    format_spec.unpack(bytes, vm).map(|x| {
        if x.len() == 1 {
            x[0].to_owned()
        } else {
            x.into()
        }
    })
}

fn is_equiv_shape(a: &BufferDescriptor, b: &BufferDescriptor) -> bool {
    if a.ndim() != b.ndim() {