diff --git a/pkgs/development/python-modules/transforms3d/default.nix b/pkgs/development/python-modules/transforms3d/default.nix
index 549ad85c78e9..6bab6a5148b5 100644
--- a/pkgs/development/python-modules/transforms3d/default.nix
+++ b/pkgs/development/python-modules/transforms3d/default.nix
@@ -1,8 +1,8 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, isPy27
-, pytest
+, pythonOlder
+, pytestCheckHook
 , numpy
 , scipy
 , sympy
@@ -10,22 +10,22 @@
 
 buildPythonPackage rec {
   pname = "transforms3d";
-  version = "unstable-2019-12-17";
+  version = "0.4.1";
+  format = "setuptools";
 
-  disabled = isPy27;
+  disabled = pythonOlder "3.7";
 
-  # no Git tag or PyPI release in some time
   src = fetchFromGitHub {
     owner = "matthew-brett";
     repo = pname;
-    rev = "6b20250c610249914ca5e3a3a2964c36ca35c19a";
-    sha256 = "1z789hgk71a6rj6mqp9srpzamg06g58hs2p1l1p344cfnkj5a4kc";
+    rev = "refs/tags/${version}";
+    hash = "sha256-GgnjvwAfyxnDfBGvgMFIPPbR88BWFiNGrScVORygq94=";
   };
 
   propagatedBuildInputs = [ numpy sympy ];
 
-  nativeCheckInputs = [ pytest scipy ];
-  checkPhase = "pytest transforms3d";
+  nativeCheckInputs = [ pytestCheckHook scipy ];
+  pythonImportsCheck = [ "transforms3d" ];
 
   meta = with lib; {
     homepage = "https://matthew-brett.github.io/transforms3d";