fix avahi

packages/python/magicattr/default.nix

@@ -1,20 +1,25 @@
 {
-  fetchFromGitHub,
+  lib,
+  namespace,
+  pkgs,
   home-assistant,
   ...
 }:
+let
+  inherit (lib.trivial) importJSON;
+  inherit (lib.${namespace}) selectVariant mkAllSources;
 
-home-assistant.python.pkgs.buildPythonPackage rec {
+  versionSpec = importJSON ./version.json;
+  selected = selectVariant versionSpec null null;
+  sources = mkAllSources pkgs selected;
+  src-meta = selected.sources.magicattr;
+in
+home-assistant.python.pkgs.buildPythonPackage {
   pname = "magicattr";
-  version = "0.1.6";
+  version = if src-meta ? tag then src-meta.tag else src-meta.rev;
   format = "setuptools";
 
-  src = fetchFromGitHub {
-    owner = "frmdstryr";
-    repo = pname;
-    rev = "master";
-    sha256 = "sha256-FJtWU5AuunZbdlndGdfD1c9/0s7oRdoTi202pWjuAd8=";
-  };
+  src = sources.magicattr;
 
   build-system = [ home-assistant.python.pkgs.setuptools ];
   doCheck = false;