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/snitun/default.nix

@@ -0,0 +1,52 @@
+{ lib
+, stdenv
+, async-timeout
+, attrs
+, buildPythonPackage
+, cryptography
+, fetchFromGitHub
+, pytest-aiohttp
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "snitun";
+  version = "0.31.0";
+
+  src = fetchFromGitHub {
+    owner = "NabuCasa";
+    repo = pname;
+    rev = version;
+    hash = "sha256-Ehafb35H462Ffn6omGh/MDJKQX5qJJZeiIBO3n0IGlA=";
+  };
+
+  propagatedBuildInputs = [
+    async-timeout
+    attrs
+    cryptography
+  ];
+
+  checkInputs = [
+    pytest-aiohttp
+    pytestCheckHook
+  ];
+
+  disabledTests = lib.optionals stdenv.isDarwin [
+    "test_multiplexer_data_channel_abort_full" # https://github.com/NabuCasa/snitun/issues/61
+    # port binding conflicts
+    "test_snitun_single_runner_timeout"
+    "test_snitun_single_runner_throttling"
+    # ConnectionResetError: [Errno 54] Connection reset by peer
+    "test_peer_listener_timeout"
+  ];
+
+  pythonImportsCheck = [ "snitun" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/nabucasa/snitun";
+    description = "SNI proxy with TCP multiplexer";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ Scriptkiddi ];
+    platforms = platforms.linux;
+  };
+}