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/samsungtvws/default.nix

@@ -0,0 +1,69 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, isPy27
+
+# propagates:
+, requests
+, websocket-client
+
+# extras: async
+, aiohttp
+, websockets
+
+# extras: encrypted
+, cryptography
+, py3rijndael
+
+# tests
+, aioresponses
+, pytest-asyncio
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "samsungtvws";
+  version = "2.5.0";
+  format = "setuptools";
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "xchwarze";
+    repo = "samsung-tv-ws-api";
+    rev = "v${version}";
+    hash = "sha256-AimG5tyTRBETpivC2BwCuoR4o7y98YT6u5sogJlcmoo=";
+  };
+
+  propagatedBuildInputs = [
+    requests
+    websocket-client
+  ];
+
+  passthru.optional-dependencies = {
+    async = [
+      aiohttp
+      websockets
+    ];
+    encrypted = [
+      cryptography
+      py3rijndael
+    ];
+  };
+
+  checkInputs = [
+    aioresponses
+    pytest-asyncio
+    pytestCheckHook
+  ]
+  ++ passthru.optional-dependencies.async
+  ++ passthru.optional-dependencies.encrypted;
+
+  pythonImportsCheck = [ "samsungtvws" ];
+
+  meta = with lib; {
+    description = "Samsung Smart TV WS API wrapper";
+    homepage = "https://github.com/xchwarze/samsung-tv-ws-api";
+    license = licenses.mit;
+    maintainers = with maintainers; [ hexa ];
+  };
+}