error:
       … while calling the 'seq' builtin
         at «string»:16:96:
           15|       in if hci ? onPush then builtins.mapAttrs (job: j: call ((call (j.outputs or {})).effects or {})) hci.onPush else { default = call (flake.outputs.effects or {}); }
           16|     ).default.uploadCodecov; in let d = e.run or e; in e.dependencies or d.inputDerivation or (builtins.seq d.drvPath [])
             |                                                                                                ^

       … while selecting an attribute
         at «string»:16:109:
           15|       in if hci ? onPush then builtins.mapAttrs (job: j: call ((call (j.outputs or {})).effects or {})) hci.onPush else { default = call (flake.outputs.effects or {}); }
           16|     ).default.uploadCodecov; in let d = e.run or e; in e.dependencies or d.inputDerivation or (builtins.seq d.drvPath [])
             |                                                                                                             ^

       error: expected a set but found null: null
error: nix-instantiate failed with exit code 1