devenv error for Python setup with Poetry

gistfile1.txt

devenv.sh:

{ pkgs, ... }:

{
  env.GREET = "Python-based dev env for copy-pics";

  languages.python = {
    enable = true;
    poetry.enable = true;
  };
}



Error output:

warning: applying 'toString' to path '«github:cachix/devenv/f623bbc43665fef680bdb9efd1abf26d57a8a00e»/src/modules/languages/python.nix' and then accessing it is deprecated, at «stdin»:0
error:
       at «github:cachix/devenv/f623bbc43665fef680bdb9efd1abf26d57a8a00e»/src/modules/mkNakedShell.nix:62:12:

           61|   derivationArg = {
           62|     inherit name system;
             |            ^
           63|

       … while evaluating the attribute 'args' of the derivation 'devenv-shell'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/stdenv/generic/make-derivation.nix:286:7:

          285|     // (lib.optionalAttrs (attrs ? name || (attrs ? pname && attrs ? version)) {
          286|       name =
             |       ^
          287|         let

       … while evaluating the attribute 'passAsFile' of the derivation 'devenv-profile'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/build-support/buildenv/default.nix:77:5:

           76|     # XXX: The size is somewhat arbitrary
           77|     passAsFile = if builtins.stringLength pkgs >= 128*1024 then [ "pkgs" ] else [ ];
             |     ^
           78|   }

       … while evaluating the attribute 'passAsFile'

       at «github:cachix/devenv/f623bbc43665fef680bdb9efd1abf26d57a8a00e»/src/modules/top-level.nix:16:13:

           15|     name = "devenv-profile";
           16|     paths = lib.flatten (builtins.map drvOrPackageToPaths config.packages);
             |             ^
           17|     ignoreCollisions = true;

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/lists.nix:138:13:

          137|   */
          138|   flatten = x:
             |             ^
          139|     if isList x

       … while calling 'flatten'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/attrsets.nix:535:19:

          534|           g =
          535|             name: value:
             |                   ^
          536|             if isAttrs value && cond value

       … while calling 'g'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/attrsets.nix:538:20:

          537|               then recurse (path ++ [name]) value
          538|               else f (path ++ [name]) value;
             |                    ^
          539|         in mapAttrs g;

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:270:72:

          269|           # For definitions that have an associated option
          270|           declaredConfig = mapAttrsRecursiveCond (v: ! isOption v) (_: v: v.value) options;
             |                                                                        ^
          271|

       … while calling anonymous lambda

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:728:9:

          727|     in warnDeprecation opt //
          728|       { value = builtins.addErrorContext "while evaluating the option `${showOption loc}':" value;
             |         ^
          729|         inherit (res.defsFinal') highestPrio;

       … while evaluating the attribute 'value'

       … while evaluating the option `packages':

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:763:5:

          762|     # Type-check the remaining definitions, and merge them. Or throw if no definitions.
          763|     mergedValue =
             |     ^
          764|       if isDefined then

       … while evaluating the attribute 'mergedValue'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:765:59:

          764|       if isDefined then
          765|         if all (def: type.check def.value) defsFinal then type.merge loc defsFinal
             |                                                           ^
          766|         else let allInvalid = filter (def: ! type.check def.value) defsFinal;

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/types.nix:491:20:

          490|       check = isList;
          491|       merge = loc: defs:
             |                    ^
          492|         map (x: x.value) (filter (x: x ? value) (concatLists (imap1 (n: def:

       … while calling 'merge'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/types.nix:492:35:

          491|       merge = loc: defs:
          492|         map (x: x.value) (filter (x: x ? value) (concatLists (imap1 (n: def:
             |                                   ^
          493|           imap1 (m: def':

       … while calling anonymous lambda

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/lists.nix:117:29:

          116|   */
          117|   imap1 = f: list: genList (n: f (n + 1) (elemAt list n)) (length list);
             |                             ^
          118|

       … while calling anonymous lambda

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/lists.nix:117:32:

          116|   */
          117|   imap1 = f: list: genList (n: f (n + 1) (elemAt list n)) (length list);
             |                                ^
          118|

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/types.nix:493:21:

          492|         map (x: x.value) (filter (x: x ? value) (concatLists (imap1 (n: def:
          493|           imap1 (m: def':
             |                     ^
          494|             (mergeDefinitions

       … while calling anonymous lambda

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:775:5:

          774|
          775|     optionalValue =
             |     ^
          776|       if isDefined then { value = mergedValue; }

       … while evaluating the attribute 'optionalValue'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:757:9:

          756|       in {
          757|         values = defs''';
             |         ^
          758|         inherit (defs'') highestPrio;

       … while evaluating the attribute 'values'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:856:7:

          855|     in {
          856|       values = concatMap (def: if getPrio def == highestPrio then [(strip def)] else []) defs;
             |       ^
          857|       inherit highestPrio;

       … while evaluating the attribute 'values'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:743:17:

          742|         # Process mkMerge and mkIf properties.
          743|         defs' = concatMap (m:
             |                 ^
          744|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:743:28:

          742|         # Process mkMerge and mkIf properties.
          743|         defs' = concatMap (m:
             |                            ^
          744|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))

       … while calling anonymous lambda

       … while evaluating definitions from `«github:cachix/devenv/f623bbc43665fef680bdb9efd1abf26d57a8a00e»/src/modules/languages/python.nix':

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:744:137:

          743|         defs' = concatMap (m:
          744|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))
             |                                                                                                                                         ^
          745|         ) defs;

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:815:25:

          814|   */
          815|   dischargeProperties = def:
             |                         ^
          816|     if def._type or "" == "merge" then

       … while calling 'dischargeProperties'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/types.nix:497:38:

          496|               elemType
          497|               [{ inherit (def) file; value = def'; }]
             |                                      ^
          498|             ).optionalValue

       … while evaluating the attribute 'value'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/attrsets.nix:535:19:

          534|           g =
          535|             name: value:
             |                   ^
          536|             if isAttrs value && cond value

       … while calling 'g'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/attrsets.nix:538:20:

          537|               then recurse (path ++ [name]) value
          538|               else f (path ++ [name]) value;
             |                    ^
          539|         in mapAttrs g;

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:270:72:

          269|           # For definitions that have an associated option
          270|           declaredConfig = mapAttrsRecursiveCond (v: ! isOption v) (_: v: v.value) options;
             |                                                                        ^
          271|

       … while calling anonymous lambda

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:728:9:

          727|     in warnDeprecation opt //
          728|       { value = builtins.addErrorContext "while evaluating the option `${showOption loc}':" value;
             |         ^
          729|         inherit (res.defsFinal') highestPrio;

       … while evaluating the attribute 'value'

       … while evaluating the option `languages.python.poetry.package':

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:763:5:

          762|     # Type-check the remaining definitions, and merge them. Or throw if no definitions.
          763|     mergedValue =
             |     ^
          764|       if isDefined then

       … while evaluating the attribute 'mergedValue'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:757:9:

          756|       in {
          757|         values = defs''';
             |         ^
          758|         inherit (defs'') highestPrio;

       … while evaluating the attribute 'values'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:753:14:

          752|           # Avoid sorting if we don't have to.
          753|           if any (def: def.value._type or "" == "order") defs''.values
             |              ^
          754|           then sortProperties defs''.values

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:753:19:

          752|           # Avoid sorting if we don't have to.
          753|           if any (def: def.value._type or "" == "order") defs''.values
             |                   ^
          754|           then sortProperties defs''.values

       … while calling anonymous lambda

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:854:73:

          853|       highestPrio = foldl' (prio: def: min (getPrio def) prio) 9999 defs;
          854|       strip = def: if def.value._type or "" == "override" then def // { value = def.value.content; } else def;
             |                                                                         ^
          855|     in {

       … while evaluating the attribute 'value._type'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/modules.nix:901:14:

          900|     { _type = "override";
          901|       inherit priority content;
             |              ^
          902|     };

       … while evaluating the attribute 'value.content'

       at «github:cachix/devenv/f623bbc43665fef680bdb9efd1abf26d57a8a00e»/src/modules/languages/python.nix:23:9:

           22|         type = lib.types.package;
           23|         default = cfg.package.pkgs.poetry;
             |         ^
           24|         defaultText = lib.literalExpression "config.languages.python.package.pkgs.poetry";

       … while evaluating the attribute 'default'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/development/interpreters/python/default.nix:40:24:

           39|           valid = value: pythonPackages.hasPythonModule value || providesSetupHook value || lib.elem value exceptions;
           40|           func = name: value:
             |                        ^
           41|             if lib.isDerivation value then

       … while calling 'func'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/development/interpreters/python/default.nix:41:16:

           40|           func = name: value:
           41|             if lib.isDerivation value then
             |                ^
           42|               lib.extendDerivation (valid value || throw "${name} should use `buildPythonPackage` or `toPythonModule` if it is to be part of the Python packages set.") {} value

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/attrsets.nix:576:5:

          575|     # Value to check.
          576|     value: value.type or null == "derivation";
             |     ^
          577|

       … while calling 'isDerivation'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/top-level/python-aliases.nix:27:22:

           26|   mapAliases = aliases:
           27|     lib.mapAttrs (n: alias: removeDistribute
             |                      ^
           28|                              (removeRecurseForDerivations

       … while calling anonymous lambda

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/top-level/python-aliases.nix:27:29:

           26|   mapAliases = aliases:
           27|     lib.mapAttrs (n: alias: removeDistribute
             |                             ^
           28|                              (removeRecurseForDerivations

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/top-level/python-aliases.nix:15:22:

           14|   # sets from building on Hydra.
           15|   removeDistribute = alias: with lib;
             |                      ^
           16|     if isDerivation alias then

       … while calling 'removeDistribute'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/top-level/python-aliases.nix:16:8:

           15|   removeDistribute = alias: with lib;
           16|     if isDerivation alias then
             |        ^
           17|       dontDistribute alias

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/lib/attrsets.nix:576:5:

          575|     # Value to check.
          576|     value: value.type or null == "derivation";
             |     ^
          577|

       … while calling 'isDerivation'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/top-level/python-aliases.nix:28:31:

           27|     lib.mapAttrs (n: alias: removeDistribute
           28|                              (removeRecurseForDerivations
             |                               ^
           29|                               (checkInPkgs n alias)))

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/top-level/python-aliases.nix:8:33:

            7|   # set to appear while listing all the packages available.
            8|   removeRecurseForDerivations = alias: with lib;
             |                                 ^
            9|       if alias.recurseForDerivations or false then

       … while calling 'removeRecurseForDerivations'

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/top-level/python-aliases.nix:29:32:

           28|                              (removeRecurseForDerivations
           29|                               (checkInPkgs n alias)))
             |                                ^
           30|                      aliases;

       … from call site

       at «github:NixOS/nixpkgs/6ccc4a59c3f1b56d039d93da52696633e641bc71»/pkgs/top-level/python-aliases.nix:22:20:

           21|   # python-packages.nix.
           22|   checkInPkgs = n: alias: if builtins.hasAttr n super
             |                    ^
           23|                           then throw "Alias ${n} is still in python-packages.nix"

       … while calling 'checkInPkgs'

       error: poetry was promoted to a top-level attribute, use poetry-core to build Python packages