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/imutils/default.nix

@@ -0,0 +1,35 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, opencv3
+}:
+
+buildPythonPackage rec {
+  version = "0.5.4";
+  pname = "imutils";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "03827a9fca8b5c540305c0844a62591cf35a0caec199cb0f2f0a4a0fb15d8f24";
+  };
+
+  propagatedBuildInputs = [ opencv3 ];
+
+  # no tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "imutils"
+    "imutils.video"
+    "imutils.io"
+    "imutils.feature"
+    "imutils.face_utils"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/jrosebr1/imutils";
+    description = "A series of convenience functions to make basic image processing functions";
+    license = licenses.mit;
+    maintainers = [ maintainers.costrouc ];
+  };
+}