snagboot: replace fetchPypi with fetchFromGitHub

The development and release is at GitHub so I'd prefer to use it and
keep my workflow for updating more standard. No changes other then that.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

pkgs/applications/misc/snagboot/default.nix

@@ -1,6 +1,6 @@
 { lib
 , stdenv
-, fetchPypi
+, fetchFromGitHub
 , pythonRelaxDepsHook
 , python3
 , snagboot
@@ -13,9 +13,11 @@ python3.pkgs.buildPythonApplication rec {
   version = "1.0";
   format = "pyproject";
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-wtIcrd3s/ZfdYqi2a2+IvVYnJie5txJy6d2m+GjuhxU=";
+  src = fetchFromGitHub {
+    owner = "bootlin";
+    repo = "snagboot";
+    rev = "v${version}";
+    hash = "sha256-QqGeELm2seX3tIKQvuXp9VsNDah+m9FNcaEVk6TMP0U=";
   };
 
   passthru = {