error: … while evaluating a branch condition at «string»:23:10: 22| if !keepName n then {} 23| else if !builtins.isAttrs c || isDrv c then c | ^ 24| else if c ? _type || !(c.recurseForDerivations or true) then {} … in the left operand of the OR (||) operator at «string»:23:33: 22| if !keepName n then {} 23| else if !builtins.isAttrs c || isDrv c then c | ^ 24| else if c ? _type || !(c.recurseForDerivations or true) then {} … while evaluating definitions from `/nix/store/xfg4bws749i95jvnxhymxmfwailzk38q-source/modules/transposition.nix': (stack trace truncated; use '--show-trace' to show the full, detailed trace) error: A definition for option `perSystem.aarch64-linux.checks.override' is not of type `package'. Definition values: - In `/nix/store/3k94acw254pl43p1il58hcczxcl4k8pf-source/flake.nix, via option perSystem':