python.pkgs.toolz: move expression

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

@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, nose
+}:
+
+buildPythonPackage rec{
+  pname = "toolz";
+  version = "0.8.2";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0l3czks4xy37i8099waxk2fdz5g0k1dwys2mkhlxc0b0886cj4sa";
+  };
+
+  checkInputs = [ nose ];
+
+  checkPhase = ''
+    # https://github.com/pytoolz/toolz/issues/357
+    rm toolz/tests/test_serialization.py
+    nosetests toolz/tests
+  '';
+
+  meta = {
+    homepage = "http://github.com/pytoolz/toolz/";
+    description = "List processing tools and functional utilities";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ fridh ];
+  };
+}