python: cached-property: 1.3.0 -> 1.3.1

pkgs/development/python-modules/cached-property/default.nix

···
+{ lib
+, buildPythonPackage
+, fetchPypi
+, freezegun
+}:
+
+buildPythonPackage rec {
+  pname = "cached-property";
+  version = "1.3.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "6562f0be134957547421dda11640e8cadfa7c23238fc4e0821ab69efdb1095f3";
+  };
+
+  checkInputs = [ freezegun ];
+
+  meta = {
+    description = "A decorator for caching properties in classes";
+    homepage = https://github.com/pydanny/cached-property;
+    license = lib.licenses.bsd3;
+    platforms = lib.platforms.unix;
+    maintainers = with lib.maintainers; [ ericsagnes ];
+  };
+}

pkgs/top-level/python-packages.nix

···
     propagatedBuildInputs = with self; [ boto crcmod psutil ];
   };
 
-  cached-property = buildPythonPackage rec {
-    version = "1.3.0";
-    name = "cached-property-${version}";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/c/cached-property/${name}.tar.gz";
-      sha256 = "10dwi3s6f154ag9dvqy5jiwp31fs57lbxjcjgn4cwvi8qyqpi3j5";
-    };
-
-    buildInputs = with self; [ freezegun ];
-
-    meta = {
-      description = "A decorator for caching properties in classes";
-      homepage = https://github.com/pydanny/cached-property;
-      license = licenses.bsd3;
-      platforms = platforms.unix;
-      maintainers = with maintainers; [ ericsagnes ];
-    };
-  };
+  cached-property = callPackage ../development/python-modules/cached-property { };
 
   caffe = pkgs.caffe.override {
     python = self.python;