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/mlrose/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, isPy27
+, buildPythonPackage
+, fetchFromGitHub
+, fetchpatch
+, scikit-learn
+, pytestCheckHook
+, pytest-randomly
+}:
+
+buildPythonPackage rec {
+  pname = "mlrose";
+  version = "1.3.0";
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "gkhayes";
+    repo = "mlrose";
+    rev = "v${version}";
+    sha256 = "1dn43k3rcypj58ymcj849b37w66jz7fphw8842v6mlbij3x0rxfl";
+  };
+
+  patches = [
+    # Fixes compatibility with scikit-learn 0.24.1
+    (fetchpatch {
+      url = "https://github.com/gkhayes/mlrose/pull/55/commits/19caf8616fc194402678aa67917db334ad02852a.patch";
+      sha256 = "1nivz3bn21nd21bxbcl16a6jmy7y5j8ilz90cjmd0xq4v7flsahf";
+    })
+  ];
+
+  propagatedBuildInputs = [ scikit-learn ];
+  checkInputs = [ pytest-randomly pytestCheckHook ];
+
+  postPatch = ''
+    substituteInPlace setup.py --replace sklearn scikit-learn
+  '';
+
+  pythonImportsCheck = [ "mlrose" ];
+
+  # Fix random seed during tests
+  pytestFlagsArray = [ "--randomly-seed 0" ];
+
+  meta = with lib; {
+    description = "Machine Learning, Randomized Optimization and SEarch";
+    homepage    = "https://github.com/gkhayes/mlrose";
+    license     = licenses.bsd3;
+    maintainers = with maintainers; [ abbradar ];
+  };
+}