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/slicedimage/default.nix

@@ -0,0 +1,55 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, boto3
+, diskcache
+, enum34
+, packaging
+, pathlib
+, numpy
+, requests
+, scikitimage
+, six
+, pytestCheckHook
+, isPy27
+, tifffile
+}:
+
+buildPythonPackage rec {
+  pname = "slicedimage";
+  version = "4.1.1";
+
+  src = fetchFromGitHub {
+    owner = "spacetx";
+    repo = pname;
+    rev = version;
+    sha256 = "1vpg8varvfx0nj6xscdfm7m118hzsfz7qfzn28r9rsfvrhr0dlcw";
+  };
+
+  propagatedBuildInputs = [
+    boto3
+    diskcache
+    packaging
+    numpy
+    requests
+    scikitimage
+    six
+    tifffile
+  ] ++ lib.optionals isPy27 [ pathlib enum34 ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  # Ignore tests which require setup, check again if disabledTestFiles can be used
+  pytestFlagsArray = [ "--ignore tests/io_" ];
+
+  pythonImportsCheck = [ "slicedimage" ];
+
+  meta = with lib; {
+    description = "Library to access sliced imaging data";
+    homepage = "https://github.com/spacetx/slicedimage";
+    license = licenses.mit;
+    maintainers = [ maintainers.costrouc ];
+  };
+}