move mypy to treefmt

default.nix

@@ -8,15 +8,12 @@ pkgs.python311.pkgs.buildPythonApplication {
   buildInputs = [ pkgs.makeWrapper ];
   nativeCheckInputs = [
     pkgs.python311.pkgs.pytest
-    pkgs.glibcLocales
-    pkgs.mypy
     # technically not test inputs, but we need it for development in PATH
     pkgs.nixVersions.stable or pkgs.nix_2_4
     pkgs.nix-prefetch-git
   ];
   checkPhase = ''
-    echo -e "\x1b[32m## run mypy\x1b[0m"
-    mypy --no-warn-unused-ignores --strict nix_update tests
+    PYTHONPATH= $out/bin/nix-update --help
   '';
   makeWrapperArgs = [
     "--prefix PATH"

flake.lock

@@ -50,15 +50,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1685519364,
-        "narHash": "sha256-rE9c9jWDSc5Nj0OjNzBENaJ6j4YBphcqSPia2IwCMLA=",
+        "lastModified": 1691824990,
+        "narHash": "sha256-6G7X/8wwVW7txaiMp3YOnJgQSBx8odXasOk9BeDU5ag=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "6521a278bcba66b440554cc1350403594367b4ac",
+        "rev": "bd817ed6d1e2f3d1a929bd40704347f0709da777",
         "type": "github"
       },
       "original": {
         "owner": "numtide",
+        "ref": "mypy",
         "repo": "treefmt-nix",
         "type": "github"
       }

flake.nix

@@ -6,7 +6,7 @@
     flake-parts.url = "github:hercules-ci/flake-parts";
     flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
 
-    treefmt-nix.url = "github:numtide/treefmt-nix";
+    treefmt-nix.url = "github:numtide/treefmt-nix/mypy";
     treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
   };
 

treefmt.nix

@@ -9,6 +9,7 @@
       projectRootFile = "flake.lock";
 
       programs.prettier.enable = true;
+      programs.mypy.enable = true;
 
       settings.formatter = {
         nix = {