Yes, this was reported at https://github.com/racket/htdp/issues/135. It's
now fixed. You can either download a snapshot version (
http://snapshot.racket-lang.org/) or downgrade to 7.9 to make it work
properly meanwhile.

On Mon, Mar 15, 2021 at 8:43 AM Peijing Teh <[email protected]> wrote:

> Hi,
>
> I am working through Grigor Kiczales's Systematic Program Design course,
> and recently updated Dr Racket to Racket 8.0.
>
> I started getting this unusual check-expects error (see screenshot): the
> image is not rendering and it instead shows as #<image>.
>
> How do I let the developers know this is happening?
>
> To pre-empt questions:
>
>    - (require 2htdp/image) is  already defined in line 1 of the
>    Definitions area
>    - the check-expects all ran correctly (so they are probably correctly
>    defined)
>    - all the images defined  have been standard shapes e.g. (square 10
>    "solid" "blue") etc.
>    - I am running a 2021 Mac Mini M1 macOS Big Sur 11.2.1
>
> With kindness,
> PJ
>
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