argunix: this attribute failed at evaluation time, before any build started.
attribute: packages.x86_64-linux.myNeovim

nix-eval-jobs error:
error:
       … while evaluating the attribute 'optionalValue.value'
         at «github:nix-community/nixpkgs.lib/db3f255737b94216eb71cce308e2912cf6bc2d7c?narHash=sha256-ePjCwr1sNm9NYUqywL7QfK3JnlS015msC%2BeBu2zKlp8%3D»/lib/modules.nix:1310:5:
         1309|
         1310|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |     ^
         1311|   };

       … while evaluating a branch condition
         at «github:nix-community/nixpkgs.lib/db3f255737b94216eb71cce308e2912cf6bc2d7c?narHash=sha256-ePjCwr1sNm9NYUqywL7QfK3JnlS015msC%2BeBu2zKlp8%3D»/lib/modules.nix:1310:21:
         1309|
         1310|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |                     ^
         1311|   };

       … while evaluating definitions from `/nix/store/xfg4bws749i95jvnxhymxmfwailzk38q-source/modules/transposition.nix':

       … while evaluating definitions from `/nix/store/ms0sdxpvnfha4l9y1qdb6c3fd6z8a38g-source/modules/packages/neovim.nix, via option perSystem':

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

       error: NAR hash mismatch in input 'github:notashelf/nvf/c55a3a783e6e1ecbbaad607b15a9b7b23d42236f?narHash=sha256-UgQuKee2d5VhXaqectc23i2rarIufUpAVSTA6R8XloY%3D', expected 'sha256-72w8cZWJhcIo8ThuxP6Mh/hwvnjnO03c8C80h6iAfFE=' but got 'sha256-UgQuKee2d5VhXaqectc23i2rarIufUpAVSTA6R8XloY='