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/ratelimiter/default.nix

@@ -0,0 +1,43 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytest-asyncio
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "ratelimiter";
+  version = "1.2.0.post0";
+  format = "setuptools";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-XDldyr273i5ReO8/ibVoowZkVKbdwiO3ZHPawi+JtPc=";
+  };
+
+  checkInputs = [
+    pytest-asyncio
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "ratelimiter"
+  ];
+
+  preCheck = ''
+    # Uses out-dated options
+    rm tests/conftest.py
+  '';
+
+  disabledTests = [
+    # TypeError: object Lock can't be used in 'await' expression
+    "test_alock"
+  ];
+
+  meta = with lib; {
+    description = "Simple python rate limiting object";
+    homepage = "https://github.com/RazerM/ratelimiter";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ helkafen ];
+  };
+}