pythonPackages.check-manifest: Move to own file

pkgs/development/python-modules/check-manifest/default.nix

@@ -0,0 +1,20 @@
+{ stdenv, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "check-manifest";
+  version = "0.30";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0005vp3r7wh87pf41cr4rw015lbnzn228a607nx34r98p7cd17xi";
+  };
+
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/mgedmin/check-manifest;
+    description = "Check MANIFEST.in in a Python source package for completeness";
+    license = licenses.mit;
+    maintainers = with maintainers; [ lewo ];
+  };
+}