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/sparse/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPy3k
+, numba
+, numpy
+, scipy
+  # Test Inputs
+, pytestCheckHook
+, dask
+}:
+
+buildPythonPackage rec {
+  pname = "sparse";
+  version = "0.13.0";
+
+  disabled = !isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "685dc994aa770ee1b23f2d5392819c8429f27958771f8dceb2c4fb80210d5915";
+  };
+
+  propagatedBuildInputs = [
+    numba
+    numpy
+    scipy
+  ];
+  checkInputs = [ pytestCheckHook dask ];
+
+  pythonImportsCheck = [ "sparse" ];
+
+  meta = with lib; {
+    description = "Sparse n-dimensional arrays computations";
+    homepage = "https://sparse.pydata.org/en/stable/";
+    changelog = "https://sparse.pydata.org/en/stable/changelog.html";
+    downloadPage = "https://github.com/pydata/sparse/releases/tag/${version}";
+    license = licenses.bsd3;
+    maintainers = [ maintainers.costrouc ];
+  };
+}