svtplay-dl: 3.7 -> 3.9.1

pkgs/tools/misc/svtplay-dl/default.nix

···
 let
 
   inherit (python3Packages)
-    python nose cryptography pyyaml requests mock python-dateutil setuptools;
+    python pytest nose cryptography pyyaml requests mock python-dateutil setuptools;
 
 in stdenv.mkDerivation rec {
   pname = "svtplay-dl";
-  version = "3.7";
+  version = "3.9.1";
 
   src = fetchFromGitHub {
     owner = "spaam";
     repo = "svtplay-dl";
     rev = version;
-    sha256 = "0krskxbmlglkipqzjwgm2nmq118m8l0djgh0f8l6n2w3bjblhyfx";
+    sha256 = "0b207l3dnkpixjhxzis77cfhwd5mjiwrmj8cngxpx2wl1i83xw54";
   };
 
   pythonPaths = [ cryptography pyyaml requests ];
-  buildInputs = [ python perl nose mock python-dateutil setuptools ] ++ pythonPaths;
+  buildInputs = [ python perl mock python-dateutil setuptools ] ++ pythonPaths;
   nativeBuildInputs = [ gitMinimal zip makeWrapper ];
+  checkInputs = [ nose pytest ];
 
   postPatch = ''
     substituteInPlace scripts/run-tests.sh \