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/pyrevolve/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, contexttimer
+, versioneer
+, cython
+, numpy
+, pytest
+}:
+
+buildPythonPackage rec {
+  pname = "pyrevolve";
+  version = "2.2";
+
+  src = fetchFromGitHub {
+    owner = "devitocodes";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-5a4zvyf2vfz8aI6vFMI2vxekYrcUi/YuPFvZnUOx+Zs=";
+  };
+
+  nativeBuildInputs = [ versioneer cython ];
+  propagatedBuildInputs = [ contexttimer numpy ];
+
+  checkInputs = [ pytest ];
+  # Using approach bellow bcs the tests fail with the pytestCheckHook, throwing the following error
+  # ImportError: cannot import name 'crevolve' from partially initialized module 'pyrevolve'
+  # (most likely due to a circular import)
+  checkPhase = ''
+    pytest
+  '';
+
+  pythonImportsCheck = [ "pyrevolve" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/devitocodes/pyrevolve";
+    description = "Python library to manage checkpointing for adjoints";
+    license = licenses.epl10;
+    maintainers = with maintainers; [ atila ];
+  };
+}