python3Packages.siphashc: fetch sources from GitHub, fix changelog

pkgs/development/python-modules/siphashc/default.nix

@@ -1,20 +1,22 @@
 {
   lib,
-  fetchPypi,
+  fetchFromGitHub,
   buildPythonPackage,
   setuptools,
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "siphashc";
   version = "2.7";
   pyproject = true;
   build-system = [ setuptools ];
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "sha256-ppRNc3aM9So6g0LunBka2UBFWQAvck9E4Ot6sOC96jM=";
+  src = fetchFromGitHub {
+    owner = "WeblateOrg";
+    repo = "siphashc";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-Rj+0oIlGs2Xs2TTN0PIwcVUlTgd1AZITC8xBf/Hn31Q=";
   };
 
   nativeCheckInputs = [ pytestCheckHook ];
@@ -24,8 +26,8 @@ buildPythonPackage rec {
   meta = {
     description = "Python c-module for siphash";
     homepage = "https://github.com/WeblateOrg/siphashc";
-    changelog = "https://github.com/WeblateOrg/siphashc/blob/${version}/CHANGES.rst";
+    changelog = "https://github.com/WeblateOrg/siphashc/blob/${finalAttrs.src.tag}/CHANGES.rst";
     license = lib.licenses.isc;
     maintainers = with lib.maintainers; [ erictapen ];
   };
-}
+})