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/imageio/default.nix

@@ -0,0 +1,70 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, isPy27
+, fetchPypi
+, substituteAll
+, imageio-ffmpeg
+, numpy
+, pillow
+, psutil
+, pytestCheckHook
+, tifffile
+, fsspec
+, libGL
+}:
+
+buildPythonPackage rec {
+  pname = "imageio";
+  version = "2.16.1";
+  disabled = isPy27;
+
+  src = fetchPypi {
+    sha256 = "sha256-fxI8sjp3rFq+jtTnrWpggxqC3ixdEjRj3PHUJ4xHedI=";
+    inherit pname version;
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./libgl-path.patch;
+      libgl = "${libGL.out}/lib/libGL${stdenv.hostPlatform.extensions.sharedLibrary}";
+    })
+  ];
+
+  propagatedBuildInputs = [
+    imageio-ffmpeg
+    numpy
+    pillow
+  ];
+
+  checkInputs = [
+    fsspec
+    psutil
+    pytestCheckHook
+    tifffile
+  ];
+
+  pytestFlagsArray = [
+    "-m 'not needs_internet'"
+  ];
+
+  preCheck = ''
+    export IMAGEIO_USERDIR="$TMP"
+    export HOME=$TMPDIR
+  '';
+
+  disabledTestPaths = [
+    # tries to fetch fixtures over the network
+    "tests/test_freeimage.py"
+    "tests/test_pillow.py"
+    "tests/test_spe.py"
+    "tests/test_swf.py"
+  ];
+
+  meta = with lib; {
+    description = "Library for reading and writing a wide range of image, video, scientific, and volumetric data formats";
+    homepage = "http://imageio.github.io/";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ ];
+  };
+}