chore(repo): use nixpkgs-python to get python version instead of setting languages.python.package

flake.lock

@@ -68,6 +68,22 @@
         "type": "github"
       }
     },
+    "flake-compat_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": [
@@ -205,6 +221,27 @@
         "type": "github"
       }
     },
+    "nixpkgs-python": {
+      "inputs": {
+        "flake-compat": "flake-compat_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1730716553,
+        "narHash": "sha256-n4cibCp/ggDlSacCTnP8dVnywclQKYcHy6PRfe35Hk0=",
+        "owner": "cachix",
+        "repo": "nixpkgs-python",
+        "rev": "8fcdb8ec34a1c2bae3f5326873a41b310e948ccc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "nixpkgs-python",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1717432640,
@@ -241,6 +278,7 @@
       "inputs": {
         "devenv": "devenv",
         "nixpkgs": "nixpkgs_3",
+        "nixpkgs-python": "nixpkgs-python",
         "systems": "systems"
       }
     },

flake.nix

@@ -1,6 +1,8 @@
 {
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs-python.url = "github:cachix/nixpkgs-python";
+    nixpkgs-python.inputs = { nixpkgs.follows = "nixpkgs"; };
     systems.url = "github:nix-systems/default";
     devenv.url = "github:cachix/devenv";
     devenv.inputs.nixpkgs.follows = "nixpkgs";
@@ -33,7 +35,7 @@
                 {
                   languages.python = {
                     enable = true;
-                    package = pkgs.python311;
+                    version = "3.11";
                     uv = {
                       enable = true;
                       sync = {