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/pyscreeze/default.nix

@@ -0,0 +1,37 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pillow
+, xlib
+, xvfb-run
+, scrot
+}:
+buildPythonPackage rec {
+  pname = "PyScreeze";
+  version = "0.1.26";
+
+  src = fetchFromGitHub {
+    owner = "asweigart";
+    repo = "pyscreeze";
+    rev = "28ab707dceecbdd135a9491c3f8effd3a69680af";
+    sha256 = "sha256-gn3ydjf/msdhIhngGlhK+jhEyFy0qGeDr58E7kM2YZs=";
+  };
+
+  pythonImportsCheck = [ "pyscreeze" ];
+  checkInputs = [ scrot xlib xvfb-run ];
+  checkPhase = ''
+    python -m unittest tests.test_pillow_unavailable
+    xvfb-run python -m unittest tests.test_pyscreeze
+  '';
+
+  propagatedBuildInputs = [
+    pillow
+  ];
+
+  meta = with lib; {
+    description = "PyScreeze is a simple, cross-platform screenshot module for Python 2 and 3.";
+    homepage = "https://github.com/asweigart/pyscreeze";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ lucasew ];
+  };
+}