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/retworkx/default.nix

@@ -0,0 +1,67 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, pythonOlder
+, rustPlatform
+, fetchFromGitHub
+, libiconv
+  # Check inputs
+, pytestCheckHook
+, fixtures
+, graphviz
+, matplotlib
+, networkx
+, numpy
+, pydot
+}:
+
+buildPythonPackage rec {
+  pname = "retworkx";
+  version = "0.11.0";
+  format = "pyproject";
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "Qiskit";
+    repo = "retworkx";
+    rev = version;
+    hash = "sha256-o3XPMTaiFH5cBtyqtW650wiDBElLvCmERr2XwwdPO1c=";
+  };
+
+  cargoDeps = rustPlatform.fetchCargoTarball {
+    inherit src;
+    name = "${pname}-${version}";
+    hash = "sha256-Zhk4m+HNtimhPWfiBLi9dqJ0fp2D8d0u9k6ROG0/jBo=";
+  };
+
+  nativeBuildInputs = with rustPlatform; [ cargoSetupHook maturinBuildHook ];
+
+  buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
+
+  pythonImportsCheck = [ "retworkx" ];
+  checkInputs = [
+    pytestCheckHook
+    fixtures
+    graphviz
+    matplotlib
+    networkx
+    numpy
+    pydot
+  ];
+
+  preCheck = ''
+    export TESTDIR=$(mktemp -d)
+    cp -r tests/ $TESTDIR
+    pushd $TESTDIR
+  '';
+  postCheck = "popd";
+
+  meta = with lib; {
+    description = "A python graph library implemented in Rust.";
+    homepage = "https://retworkx.readthedocs.io/en/latest/index.html";
+    downloadPage = "https://github.com/Qiskit/retworkx/releases";
+    changelog = "https://github.com/Qiskit/retworkx/releases/tag/${version}";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ drewrisinger ];
+  };
+}