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/yowsup/default.nix

@@ -0,0 +1,52 @@
+{ lib
+, buildPythonPackage
+, isPy3k
+, fetchFromGitHub
+, appdirs
+, consonance
+, protobuf
+, python-axolotl
+, six
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "yowsup";
+  version = "3.3.0";
+
+  # The Python 2.x support of this package is incompatible with `six==1.11`:
+  # https://github.com/tgalal/yowsup/issues/2416#issuecomment-365113486
+  disabled = !isPy3k;
+
+  src = fetchFromGitHub {
+    owner = "tgalal";
+    repo = "yowsup";
+    rev = "v${version}";
+    sha256 = "1pz0r1gif15lhzdsam8gg3jm6zsskiv2yiwlhaif5rl7lv3p0v7q";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "argparse" "" \
+      --replace "==" ">=" \
+  '';
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  propagatedBuildInputs = [
+    appdirs
+    consonance
+    protobuf
+    python-axolotl
+    six
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/tgalal/yowsup";
+    description = "The python WhatsApp library";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}