uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

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

@@ -0,0 +1,42 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytest
+, six
+, enum34
+, pathlib
+, ordereddict
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pyScss";
+  version = "1.4.0";
+
+  src = fetchFromGitHub {
+    repo = "pyScss";
+    owner = "Kronuz";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-z0y4z+/JE6rZWHAvps/taDZvutyVhxxs2gMujV5rNu4=";
+  };
+
+  checkInputs = [ pytest ];
+
+  propagatedBuildInputs = [ six ]
+    ++ (lib.optionals (pythonOlder "3.4") [ enum34 pathlib ])
+    ++ (lib.optionals (pythonOlder "2.7") [ ordereddict ]);
+
+  # Test suite is broken.
+  # See https://github.com/Kronuz/pyScss/issues/415
+  doCheck = false;
+  checkPhase = ''
+    py.test
+  '';
+
+  meta = with lib; {
+    description = "A Scss compiler for Python";
+    homepage = "https://pyscss.readthedocs.org/en/latest/";
+    license = licenses.mit;
+  };
+
+}