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/pynndescent/default.nix

@@ -0,0 +1,57 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, joblib
+, llvmlite
+, numba
+, scikit-learn
+, scipy
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pynndescent";
+  version = "0.5.7";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-7LOVJV+janSLWHC0ugMA6g99qLGWSGS47dYld6hN/X0=";
+  };
+
+  propagatedBuildInputs = [
+    joblib
+    llvmlite
+    numba
+    scikit-learn
+    scipy
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # numpy.core._exceptions._UFuncNoLoopError
+    "test_sparse_nn_descent_query_accuracy_angular"
+    "test_nn_descent_query_accuracy_angular"
+    "test_alternative_distances"
+    # scipy: ValueError: Unknown Distance Metric: wminkowski
+    # https://github.com/scikit-learn/scikit-learn/pull/21741
+    "test_weighted_minkowski"
+  ];
+
+  pythonImportsCheck = [
+    "pynndescent"
+  ];
+
+  meta = with lib; {
+    description = "Nearest Neighbor Descent";
+    homepage = "https://github.com/lmcinnes/pynndescent";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ mic92 ];
+  };
+}