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/pykakasi/default.nix

@@ -0,0 +1,62 @@
+{ lib
+, buildPythonPackage
+, deprecated
+, fetchFromGitHub
+, importlib-metadata
+, jaconv
+, pytest-benchmark
+, pytestCheckHook
+, pythonOlder
+, setuptools-scm
+}:
+
+buildPythonPackage rec {
+  pname = "pykakasi";
+  version = "2.2.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "miurahr";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "ivlenHPD00bxc0c9G368tfTEckOC3vqDB5kMQzHXbVM=";
+  };
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    jaconv
+    deprecated
+  ] ++ lib.optionals (pythonOlder "3.8") [
+    importlib-metadata
+  ];
+
+  checkInputs = [
+    pytest-benchmark
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # We don't care about benchmarks
+    "test_benchmark"
+    "pytest_benchmark_update_machine_info"
+    "pytest_benchmark_update_json"
+  ];
+
+  pythonImportsCheck = [
+    "pykakasi"
+  ];
+
+  meta = with lib; {
+    description = "Python converter for Japanese Kana-kanji sentences into Kana-Roman";
+    homepage = "https://github.com/miurahr/pykakasi";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}