This bug was fixed by Tobias on commit:

914bba28096c1b85e368537c02e9841258887acb

Please use "guix pull", "guix package -u" and try again.

Further note: The current docker_compose cannot use jsonschema 3.x, it
must use 2.x. There is a bug-report and a pull-request about that, so
it is expected to compatible with the 3.x version soon:

https://github.com/docker/compose/issues/6347

https://github.com/docker/compose/pull/6631

Björn