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/asyncio-dgram/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchFromGitHub
+, pytest-asyncio
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "asyncio-dgram";
+  version = "2.1.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.5";
+
+  src = fetchFromGitHub {
+    owner = "jsbronder";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-Eb/9JtgPT2yOlfnn5Ox8M0kcQhSlRCuX8+Rq6amki8Q=";
+  };
+
+  checkInputs = [
+    pytest-asyncio
+    pytestCheckHook
+  ];
+
+  # OSError: AF_UNIX path too long
+  doCheck = !stdenv.isDarwin;
+
+  disabledTests = [
+    "test_protocol_pause_resume"
+  ];
+
+  pythonImportsCheck = [
+    "asyncio_dgram"
+  ];
+
+  meta = with lib; {
+    description = "Python support for higher level Datagram";
+    homepage = "https://github.com/jsbronder/asyncio-dgram";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}