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/digitalocean/default.nix

@@ -0,0 +1,51 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, isPy3k
+, jsonpickle
+, mock
+, pytest
+, pytestCheckHook
+, requests
+, responses
+}:
+
+buildPythonPackage rec {
+  pname = "python-digitalocean";
+  version = "1.17.0";
+
+  src = fetchFromGitHub {
+    owner = "koalalorenzo";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1c50ka4y712rr551gq3kdfw7fgfxr4w837sww6yy683yz7m1d1h8";
+  };
+
+  propagatedBuildInputs = [
+    jsonpickle
+    requests
+  ];
+
+  dontUseSetuptoolsCheck = true;
+
+  checkInputs = [
+    pytest
+    pytestCheckHook
+    responses
+  ] ++ lib.optionals (!isPy3k) [
+    mock
+  ];
+
+  preCheck = ''
+    cd digitalocean
+  '';
+
+  pythonImportsCheck = [ "digitalocean" ];
+
+  meta = with lib; {
+    description = "Python API to manage Digital Ocean Droplets and Images";
+    homepage = "https://github.com/koalalorenzo/python-digitalocean";
+    license = with licenses; [ lgpl3Only ];
+    maintainers = with maintainers; [ kiwi teh ];
+  };
+}