pythonPackages.django_pipeline: move expression

pkgs/development/python-modules/django-pipeline/default.nix

@@ -0,0 +1,20 @@
+{ lib, buildPythonPackage, fetchPypi
+, django, futures }:
+
+buildPythonPackage rec {
+  pname = "django-pipeline";
+  version = "1.5.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1y49fa8jj7x9qjj5wzhns3zxwj0s73sggvkrv660cqw5qb7d8hha";
+  };
+
+  propagatedBuildInputs = [ django futures ];
+
+  meta = with lib; {
+    description = "Pipeline is an asset packaging library for Django";
+    homepage = https://github.com/cyberdelia/django-pipeline;
+    license = licenses.mit;
+  };
+}