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/django-sampledatahelper/default.nix

@@ -0,0 +1,39 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, versiontools
+, django
+, sampledata
+, nose
+, pillow
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "django-sampledatahelper";
+  version = "0.5";
+
+  # no tests on PyPI
+  src = fetchFromGitHub {
+    owner = "kaleidos";
+    repo = "django-sampledatahelper";
+    rev = "8576f352ec26a3650f4386a6e1285b723f6aec23"; # no tag
+    sha256 = "1fx3ql4b9791594zkary19n20x5ra1m1n3pjaya9di1qy64csac4";
+  };
+
+  nativeBuildInputs = [ versiontools ];
+
+  propagatedBuildInputs = [ django sampledata ];
+
+  checkInputs = [ nose pillow six ];
+
+  checkPhase = ''
+    DJANGO_SETTINGS_MODULE=tests.settings NOSE_EXCLUDE=test_calling_command nosetests -v
+  '';
+
+  meta = {
+    description = "Helper class for generate sample data for django apps development";
+    homepage = "https://github.com/kaleidos/django-sampledatahelper";
+    license = lib.licenses.bsd3;
+  };
+}