termdown: use finalAttrs

pkgs/applications/misc/termdown/default.nix

@@ -4,7 +4,7 @@
   python3Packages,
 }:
 
-python3Packages.buildPythonApplication rec {
+python3Packages.buildPythonApplication (finalAttrs: {
   pname = "termdown";
   version = "2.0.0";
   pyproject = true;
@@ -12,7 +12,7 @@ python3Packages.buildPythonApplication rec {
   src = fetchFromGitHub {
     owner = "trehn";
     repo = "termdown";
-    tag = version;
+    tag = finalAttrs.version;
     hash = "sha256-G2YOAC+b++oQUicZcY28qVDy2XqW2SuzhXcVqeSQkh8=";
   };
 
@@ -27,11 +27,11 @@ python3Packages.buildPythonApplication rec {
   ];
 
   meta = {
-    changelog = "https://github.com/trehn/termdown/blob/${src.tag}/CHANGELOG.md";
+    changelog = "https://github.com/trehn/termdown/blob/${finalAttrs.src.tag}/CHANGELOG.md";
     description = "Starts a countdown to or from TIMESPEC";
     mainProgram = "termdown";
     longDescription = "Countdown timer and stopwatch in your terminal";
     homepage = "https://github.com/trehn/termdown";
     license = lib.licenses.gpl3;
   };
-}
+})