python.pkgs.livereload: enable tests

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

@@ -1,10 +1,11 @@
 { lib
 , buildPythonPackage
-, fetchPypi
+, fetchFromGitHub
 , nose
 , django
 , tornado
 , six
+, pytest
 }:
 
 buildPythonPackage rec {
@@ -12,15 +13,20 @@ buildPythonPackage rec {
   version = "2.5.1";
   name = "${pname}-${version}";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "0b2yyfnpddmrwjfqsndidzchkf3l9jlgzfkwl8dplim9gq6y2ba2";
+  src = fetchFromGitHub {
+    owner = "lepture";
+    repo = "python-livereload";
+    rev = "v${version}";
+    sha256 = "1irs59wqmffp8q4l9fh7givs05mamlgm5n7ga49gwxp5imwrdzba";
   };
 
   buildInputs = [ nose django ];
 
   propagatedBuildInputs = [ tornado six ];
 
+  checkInputs = [ pytest ];
+  checkPhase = "pytest tests";
+
   meta = {
     description = "Runs a local server that reloads as you develop";
     homepage = "https://github.com/lepture/python-livereload";