* Fix error during external outputs checkout
User in discord complained that external outputs' checkout
was failing. Looks like, during refactor of `HashInfo`,
this was forgotten, and as no tests existed before, we had
a regression from 1.6.5 onwards.
* fix tests
* Restyled by black (#4571)
Co-authored-by: Restyled.io <[email protected]>
Co-authored-by: restyled-io[bot] <32688539+restyled-io[bot]@users.noreply.github.com>
Co-authored-by: Restyled.io <[email protected]>