17321c9f85
Without the change the eval fails as:
$ nix eval --impure --expr 'with import <nixpkgs> {}; coqPackages_9_1.verified-extraction.meta.maintainers'
error:
… while evaluating the attribute 'verified-extraction.meta.maintainers'
at pkgs/stdenv/generic/check-meta.nix:558:7:
557| # if you add a new maintainer or team attribute please ensure that this expectation is still met.
558| maintainers = unique (
| ^
559| attrs.meta.maintainers or [ ] ++ concatMap (team: team.members or [ ]) attrs.meta.teams or [ ]
… while calling the 'foldl'' builtin
at pkgs/stdenv/generic/check-meta.nix:558:21:
557| # if you add a new maintainer or team attribute please ensure that this expectation is still met.
558| maintainers = unique (
| ^
559| attrs.meta.maintainers or [ ] ++ concatMap (team: team.members or [ ]) attrs.meta.teams or [ ]
(stack trace truncated; use '--show-trace' to show the full, detailed trace)
error: undefined variable 'mattam82'
at pkgs/development/coq-modules/verified-extraction/default.nix:62:7:
61| maintainers = with maintainers; [
62| mattam82
| ^
63| _4ever2