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/datashader/default.nix

@@ -0,0 +1,103 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, dask
+, bokeh
+, toolz
+, datashape
+, numba
+, numpy
+, pandas
+, pillow
+, xarray
+, colorcet
+, param
+, pyct
+, scipy
+, pytestCheckHook
+, pythonOlder
+, nbsmoke
+, fastparquet
+, nbconvert
+, pytest-xdist
+, netcdf4
+}:
+
+buildPythonPackage rec {
+  pname = "datashader";
+  version = "0.14.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-VKEDOJV2ITO1gxKLbFQbcem0gEd/fzTIo+QSmZVsMGI=";
+  };
+
+  propagatedBuildInputs = [
+    dask
+    bokeh
+    toolz
+    datashape
+    numba
+    numpy
+    pandas
+    pillow
+    xarray
+    colorcet
+    param
+    pyct
+    scipy
+  ] ++ dask.optional-dependencies.complete;
+
+  checkInputs = [
+    pytestCheckHook
+    pytest-xdist
+    nbsmoke
+    fastparquet
+    nbconvert
+    netcdf4
+  ];
+
+  # The complete extra is for usage with conda, which we
+  # don't care about
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "dask[complete]" "dask" \
+      --replace "xarray >=0.9.6" "xarray"
+  '';
+
+  preCheck = ''
+    export HOME=$TMPDIR
+  '';
+
+  pytestFlagsArray = [
+    "datashader"
+  ];
+
+  disabledTests = [
+    # Not compatible with current version of bokeh
+    # see: https://github.com/holoviz/datashader/issues/1031
+    "test_interactive_image_update"
+    # Latest dask broken array marshalling
+    # see: https://github.com/holoviz/datashader/issues/1032
+    "test_raster_quadmesh_autorange_reversed"
+  ];
+
+  disabledTestPaths = [
+    # 31/50 tests fail with TypeErrors
+    "datashader/tests/test_datatypes.py"
+  ];
+
+  pythonImportsCheck = [
+    "datashader"
+  ];
+
+  meta = with lib;{
+    description = "Data visualization toolchain based on aggregating into a grid";
+    homepage = "https://datashader.org";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ costrouc ];
+  };
+}