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/skybellpy/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, colorlog
+, fetchFromGitHub
+, pytest-sugar
+, pytest-timeout
+, pytestCheckHook
+, pythonOlder
+, requests
+, requests-mock
+}:
+
+buildPythonPackage rec {
+  pname = "skybellpy";
+  version = "0.6.3";
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "MisterWil";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1ghvm0pcdyhq6xfjc2dkldd701x77w07077sx09xsk6q2milmvzz";
+  };
+
+  propagatedBuildInputs = [
+    colorlog
+    requests
+  ];
+
+  checkInputs = [
+    pytest-sugar
+    pytest-timeout
+    pytestCheckHook
+    requests-mock
+  ];
+
+  pythonImportsCheck = [ "skybellpy" ];
+
+  meta = with lib; {
+    description = "Python wrapper for the Skybell alarm API";
+    homepage = "https://github.com/MisterWil/skybellpy";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}