Github action failing on nixvim

[GaetanLepage]

Error

Hello,

Project: nix-community/nixvim.

Since this commit which adds a nixos configuration test to our flake's checks, the flakehub action fails.

Error: 
   0: Checking flake evaluates
   1: Failed to execute command `nix flake show --all-systems --json --no-write-lock-file /home/runner/work/nixvim/nixvim/` with status 1 
      stdout: 
      stderr: 
�[K
�[Kevaluating ''...
      copying path '/nix/store/m707dys0ykz12vnyfljx62dc6lv0hmx7-source' from 'https://cache.nixos.org'...
      evaluating 'checks'...
      evaluating 'checks.aarch64-darwin'...
      evaluating 'checks.aarch64-darwin.darwin-module'...
      evaluating 'checks.aarch64-darwin.extra-args-tests'...
      evaluating 'checks.aarch64-darwin.home-manager-module'...
      evaluating 'checks.aarch64-darwin.lib-tests'...
      evaluating 'checks.aarch64-darwin.man-docs'...
      evaluating 'checks.aarch64-darwin.pre-commit'...
      evaluating 'checks.aarch64-darwin.template-default'...
      evaluating 'checks.aarch64-darwin.tests'...
      evaluating 'checks.aarch64-linux'...
      evaluating 'checks.aarch64-linux.docs'...
      evaluating 'checks.aarch64-linux.extra-args-tests'...
      evaluating 'checks.aarch64-linux.home-manager-module'...
      evaluating 'checks.aarch64-linux.lib-tests'...
      evaluating 'checks.aarch64-linux.man-docs'...
      evaluating 'checks.aarch64-linux.nixos-module'...
      error:
             … while evaluating the attribute 'optionalValue.value'

               at /nix/store/m707dys0ykz12vnyfljx62dc6lv0hmx7-source/lib/modules.nix:856:5:

                855|
                856|     optionalValue =
                   |     ^
                857|       if isDefined then { value = mergedValue; }

             … while evaluating a branch condition

               at /nix/store/m707dys0ykz12vnyfljx62dc6lv0hmx7-source/lib/modules.nix:857:7:

                856|     optionalValue =
                857|       if isDefined then { value = mergedValue; }
                   |       ^
                858|       else {};

             (stack trace truncated; use '--show-trace' to show the full trace)

             error: cannot build '/nix/store/99pjk6lzn1062j00y5y2c6pb1zkn4qdx-source.drv^out' during evaluation because the option 'allow-import-from-derivation' is disabled

Metadata

key	value
version	0.1.0
os	linux
arch	x86_64

SpanTrace

SpanTrace:
   0: flakehub_push::flake_info::check_flake_evaluates
           with directory=/home/runner/work/nixvim/nixvim/
             at src/flake_info.rs:54
   1: flakehub_push::cli::push_new_release
           with repository=nix-community/nixvim mirror=false upload_name=nix-community/nixvim
             at src/cli/mod.rs:472
   2: flakehub_push::cli::flakehub_push
             at src/cli/mod.rs:257

[GaetanLepage]

I guess that it has something to do with #69