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/imgaug/default.nix

@@ -0,0 +1,81 @@
+{ buildPythonPackage
+, fetchFromGitHub
+, imageio
+, imagecorruptions
+, numpy
+, opencv3
+, pytestCheckHook
+, scikitimage
+, scipy
+, shapely
+, six
+, lib
+}:
+
+buildPythonPackage rec {
+  pname = "imgaug";
+  version = "0.4.0";
+
+  src = fetchFromGitHub {
+    owner = "aleju";
+    repo = "imgaug";
+    rev = version;
+    sha256 = "17hbxndxphk3bfnq35y805adrfa6gnm5x7grjxbwdw4kqmbbqzah";
+  };
+
+  postPatch = ''
+    substituteInPlace requirements.txt \
+      --replace "opencv-python-headless" ""
+    substituteInPlace setup.py \
+      --replace "opencv-python-headless" ""
+    substituteInPlace pytest.ini \
+      --replace "--xdoctest --xdoctest-global-exec=\"import imgaug as ia\nfrom imgaug import augmenters as iaa\"" ""
+  '';
+
+  propagatedBuildInputs = [
+    imageio
+    imagecorruptions
+    numpy
+    opencv3
+    scikitimage
+    scipy
+    shapely
+    six
+  ];
+
+  checkInputs = [
+    opencv3
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # Tests are outdated
+    "test_quokka_segmentation_map"
+    "test_pool"
+    "test_avg_pool"
+    "test_max_pool"
+    "test_min_pool"
+    "est_median_pool"
+    "test_alpha_is_080"
+    "test_face_and_lines_at_half_visibility"
+    "test_polygon_fully_inside_image__no_rectangular_shape"
+    # flaky due to timing-based assertions
+    "test_imap_batches_output_buffer_size"
+    "test_imap_batches_unordered_output_buffer_size"
+  ];
+
+  disabledTestPaths = [
+    # TypeError:  int() argument must be a string, a bytes-like object or a number, not 'NoneType'
+    "test/augmenters/test_pooling.py"
+  ];
+
+  pythonImportsCheck = [ "imgaug" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/aleju/imgaug";
+    description = "Image augmentation for machine learning experiments";
+    license = licenses.mit;
+    maintainers = with maintainers; [ cmcdragonkai rakesh4g ];
+    platforms = platforms.linux;
+  };
+}