Output path comparison

nix-env failed:
error: undefined variable 'pythonOlder'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/pkgs/development/python-modules/django-postgresql-netfields/default.nix:17:14:

           16|
           17|   disabled = pythonOlder "3.7";
             |              ^
           18|

       … while evaluating 'functionArgs'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/lib/trivial.nix:440:18:

          439|   */
          440|   functionArgs = f:
             |                  ^
          441|     if f ? __functor

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/lib/customisation.nix:123:15:

          122|       f = if lib.isFunction fn then fn else import fn;
          123|       fargs = lib.functionArgs f;
             |               ^
          124|

       … while evaluating 'filterAttrs'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/lib/attrsets.nix:243:23:

          242|   */
          243|   filterAttrs = pred: set:
             |                       ^
          244|     listToAttrs (concatMap (name: let v = set.${name}; in if pred name v then [(nameValuePair name v)] else []) (attrNames set));

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/lib/customisation.nix:133:10:

          132|         # Filter out arguments that have a default value
          133|         (lib.filterAttrs (name: value: ! value)
             |          ^
          134|         # Filter out arguments that would be passed

       … while evaluating 'callPackageWith'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/lib/customisation.nix:120:35:

          119|   */
          120|   callPackageWith = autoArgs: fn: args:
             |                                   ^
          121|     let

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/pkgs/top-level/python-packages.nix:2563:33:

         2562|
         2563|   django-postgresql-netfields = callPackage ../development/python-modules/django-postgresql-netfields { };
             |                                 ^
         2564|

       … while evaluating 'isDerivation'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/lib/attrsets.nix:446:18:

          445|   */
          446|   isDerivation = x: x.type or null == "derivation";
             |                  ^
          447|

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/pkgs/development/interpreters/python/default.nix:40:29:

           39|           providesSetupHook = lib.attrByPath [ "provides" "setupHook"] false;
           40|           valid = value: !((lib.isDerivation value) && !((pythonPackages.hasPythonModule value) || (providesSetupHook value))) || (lib.elem value exceptions);
             |                             ^
           41|           func = name: value: if (valid value) then value else throw "${name} should use `buildPythonPackage` or `toPythonModule` if it is to be part of the Python packages set.";

       … while evaluating 'valid'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/pkgs/development/interpreters/python/default.nix:40:19:

           39|           providesSetupHook = lib.attrByPath [ "provides" "setupHook"] false;
           40|           valid = value: !((lib.isDerivation value) && !((pythonPackages.hasPythonModule value) || (providesSetupHook value))) || (lib.elem value exceptions);
             |                   ^
           41|           func = name: value: if (valid value) then value else throw "${name} should use `buildPythonPackage` or `toPythonModule` if it is to be part of the Python packages set.";

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/pkgs/development/interpreters/python/default.nix:41:35:

           40|           valid = value: !((lib.isDerivation value) && !((pythonPackages.hasPythonModule value) || (providesSetupHook value))) || (lib.elem value exceptions);
           41|           func = name: value: if (valid value) then value else throw "${name} should use `buildPythonPackage` or `toPythonModule` if it is to be part of the Python packages set.";
             |                                   ^
           42|         in lib.mapAttrs func items;

       … while evaluating 'func'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/pkgs/development/interpreters/python/default.nix:41:24:

           40|           valid = value: !((lib.isDerivation value) && !((pythonPackages.hasPythonModule value) || (providesSetupHook value))) || (lib.elem value exceptions);
           41|           func = name: value: if (valid value) then value else throw "${name} should use `buildPythonPackage` or `toPythonModule` if it is to be part of the Python packages set.";
             |                        ^
           42|         in lib.mapAttrs func items;

       … from call site

       … while evaluating 'isDerivation'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/lib/attrsets.nix:446:18:

          445|   */
          446|   isDerivation = x: x.type or null == "derivation";
             |                  ^
          447|

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/pkgs/top-level/release-lib.nix:149:10:

          148|   packagePlatforms = mapAttrs (name: value:
          149|       if isDerivation value then
             |          ^
          150|         value.meta.hydraPlatforms

       … while evaluating anonymous lambda

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/pkgs/top-level/release-lib.nix:148:38:

          147|      set of meta.platforms values. */
          148|   packagePlatforms = mapAttrs (name: value:
             |                                      ^
          149|       if isDerivation value then

       … from call site

       … while evaluating 'g'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/lib/attrsets.nix:417:19:

          416|           g =
          417|             name: value:
             |                   ^
          418|             if isAttrs value && cond value

       … from call site

       … while evaluating anonymous lambda

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-6/.gc-of-borg-outpaths.nix:47:12:

           46|   tweak = lib.mapAttrs
           47|     (name: val:
             |            ^
           48|       if name == "recurseForDerivations" then true

       … from call site