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/clifford/default.nix

@@ -0,0 +1,67 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, h5py
+, ipython
+, numba
+, numpy
+, pytestCheckHook
+, scipy
+, sparse
+}:
+
+buildPythonPackage rec {
+  pname = "clifford";
+  version = "1.4.0";
+
+  disabled = pythonOlder "3.5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-eVE8FrD0YHoRreY9CrNb8v4v4KrG83ZU0oFz+V+p+Q0=";
+  };
+
+  propagatedBuildInputs = [
+    h5py
+    numba
+    numpy
+    scipy
+    sparse
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    ipython
+  ];
+
+  # avoid collecting local files
+  preCheck = ''
+    cd clifford/test
+  '';
+
+  disabledTests = [
+    "veryslow"
+    "test_algebra_initialisation"
+    "test_cga"
+    "test_grade_projection"
+    "test_multiple_grade_projection"
+    "test_inverse"
+    "test_inv_g4"
+  ];
+
+  disabledTestPaths = [
+    # Disable failing tests
+    "test_g3c_tools.py"
+    "test_multivector_inverse.py"
+  ];
+
+  pythonImportsCheck = [ "clifford" ];
+
+  meta = with lib; {
+    description = "Numerical Geometric Algebra Module";
+    homepage = "https://clifford.readthedocs.io";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ costrouc ];
+  };
+}