python3Packages.expiringdict: Use buildPythonPackage

Also some package quality fixes.

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

@@ -1,5 +1,5 @@
 { lib
-, buildPythonApplication
+, buildPythonPackage
 , fetchFromGitHub
 , dill
 , coverage
@@ -8,16 +8,17 @@
 , nose
 }:
 
-buildPythonApplication rec {
+buildPythonPackage rec {
   pname = "expiringdict";
   version = "1.2.2";
+  format = "setuptools";
 
   # use fetchFromGitHub instead of fetchPypi because the test suite of
   # the package is not included into the PyPI tarball
   src = fetchFromGitHub {
     owner = "mailgun";
     repo = pname;
-    rev = "v${version}";
+    rev = "refs/tags/v${version}";
     sha256 = "sha256-vRhJSHIqc51I+s/wndtfANM44CKW3QS1iajqyoSBf0I=";
   };
 
@@ -30,14 +31,18 @@ buildPythonApplication rec {
   ];
 
   checkPhase = ''
+    runHook preCheck
     nosetests -v --with-coverage --cover-package=expiringdict
+    runHook postCheck
   '';
 
-  pythonImportsCheck = [ "expiringdict" ];
+  pythonImportsCheck = [
+    "expiringdict"
+  ];
 
   meta = with lib; {
     description = "Dictionary with auto-expiring values for caching purposes";
-    homepage = "https://pypi.org/project/expiringdict/";
+    homepage = "https://github.com/mailgun/expiringdict";
     license = licenses.asl20;
     maintainers = with maintainers; [ gravndal ];
   };