feature(devenv): add custom upstream and update lock file

ML/aufgaben/devenv.lock

@@ -3,11 +3,11 @@
     "devenv": {
       "locked": {
         "dir": "src/modules",
-        "lastModified": 1777372895,
-        "narHash": "sha256-PGesjpeDbEPigEP7tdRw8Sm0mmOmonUdOOthBY+nhJA=",
+        "lastModified": 1777498918,
+        "narHash": "sha256-SBx9JMs4OGrhADeU6qlfTZzJ7Dp/RuVgXErECF0adUo=",
         "owner": "cachix",
         "repo": "devenv",
-        "rev": "cb344e4a5ab9241ae49739352c24268d5f8be13b",
+        "rev": "28668b6851e4e649aadd329527059344d14561cf",
         "type": "github"
       },
       "original": {
@@ -17,6 +17,22 @@
         "type": "github"
       }
     },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1767039857,
+        "narHash": "sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "5edf11c44bc78a0d334f6334cdaf7d60d732daab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "inputs": {
         "nixpkgs-src": "nixpkgs-src"
@@ -36,6 +52,27 @@
         "type": "github"
       }
     },
+    "nixpkgs-python": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1777318902,
+        "narHash": "sha256-gb9ZqzELCkn6pcRZkC4A8mIm3KQxjoheTRyfodOwMeo=",
+        "owner": "cachix",
+        "repo": "nixpkgs-python",
+        "rev": "0a64f05ab0bc39dd83f544c3f00c2b32dab4ab85",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "nixpkgs-python",
+        "type": "github"
+      }
+    },
     "nixpkgs-src": {
       "flake": false,
       "locked": {
@@ -56,7 +93,8 @@
     "root": {
       "inputs": {
         "devenv": "devenv",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-python": "nixpkgs-python"
       }
     }
   },

ML/aufgaben/devenv.yaml

@@ -0,0 +1,6 @@
+inputs:
+  nixpkgs-python:
+    url: github:cachix/nixpkgs-python
+    inputs:
+      nixpkgs:
+        follows: nixpkgs