gitinspector: switch to fetchFromGitHub

pkgs/applications/version-management/gitinspector/default.nix

···
-{ lib, fetchzip, python2Packages}:
+{ lib, fetchFromGitHub, python2Packages }:
 
 python2Packages.buildPythonApplication rec {
   pname = "gitinspector";
   version = "0.4.4";
   namePrefix = "";
 
-  src = fetchzip {
-    url = "https://github.com/ejwa/gitinspector/archive/v${version}.tar.gz";
-    sha256 = "1pfsw6xldm6jigs3nhysvqaxk8a0zf8zczgfkrp920as9sya3c7m";
-    name = "${pname}-${version}" + "-src";
+  src = fetchFromGitHub {
+    owner = "ejwa";
+    repo = "gitinspector";
+    rev = "v${version}";
+    sha256 = "sha256-9bChvE5aAZFunu599pH7QKHZFd7aQzv0i9LURrvh2t0=";
   };
 
   checkInputs = with python2Packages; [