diff --git a/pkgs/development/python-modules/tinycss/default.nix b/pkgs/development/python-modules/tinycss/default.nix
index 5dc443a0e47a..108c989b7de5 100644
--- a/pkgs/development/python-modules/tinycss/default.nix
+++ b/pkgs/development/python-modules/tinycss/default.nix
@@ -1,47 +1,60 @@
-{ pkgs
+{ lib
 , buildPythonPackage
-, fetchPypi
-, pytest
-, python
-, cython
 , cssutils
-, isPyPy
+, cython
+, fetchPypi
+, pytestCheckHook
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "tinycss";
   version = "0.4";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "12306fb50e5e9e7eaeef84b802ed877488ba80e35c672867f548c0924a76716e";
+    hash = "sha256-EjBvtQ5enn6u74S4Au2HdIi6gONcZyhn9UjAkkp2cW4=";
   };
 
-  nativeCheckInputs = [ pytest ];
-  propagatedBuildInputs = [ cssutils ];
+  postPatch = ''
+    sed -i "/--cov/d" setup.cfg
+  '';
+
   nativeBuildInputs = [
     cython
   ];
 
+  propagatedBuildInputs = [
+    cssutils
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
   preBuild = ''
-    # Force cython to re-generate this file. If it is present, cython will
+    # Force Cython to re-generate this file. If it is present, Cython will
     # think it is "up to date" even though it was generated with an older,
-    # incompatible version of cython. See
+    # incompatible version of Cython. See
     # https://github.com/Kozea/tinycss/issues/17.
     rm tinycss/speedups.c
   '';
 
-  checkPhase = ''
-    py.test $out/${python.sitePackages}
-  '';
+  # Disable Cython tests
+  TINYCSS_SKIP_SPEEDUPS_TESTS = true;
 
-  # Disable Cython tests for PyPy
-  TINYCSS_SKIP_SPEEDUPS_TESTS = pkgs.lib.optional isPyPy true;
+  pythonImportsCheck = [
+    "tinycss"
+  ];
 
-  meta = with pkgs.lib; {
+  meta = with lib; {
     description = "Complete yet simple CSS parser for Python";
+    homepage = "https://tinycss.readthedocs.io";
+    changelog = "https://github.com/Kozea/tinycss/releases/tag/v${version}";
     license = licenses.bsd3;
-    homepage = "https://pythonhosted.org/tinycss/";
-    maintainers = [ maintainers.costrouc ];
+    maintainers = with maintainers; [ costrouc ];
   };
 }