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/pyworld/default.nix

@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, numpy
+, cython
+}:
+
+buildPythonPackage rec {
+  pname = "pyworld";
+  version = "0.3.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "e19b5d8445e0c4fc45ded71863aeaaf2680064b4626b0e7c90f72e9ace9f6b5b";
+  };
+
+  nativeBuildInputs = [
+    cython
+  ];
+
+  propagatedBuildInputs = [
+    numpy
+  ];
+
+  pythonImportsCheck = [ "pyworld" ];
+
+  meta = with lib; {
+    description = "PyWorld is a Python wrapper for WORLD vocoder";
+    homepage = "https://github.com/JeremyCCHsu/Python-Wrapper-for-World-Vocoder";
+    license = licenses.mit;
+    maintainers = [ maintainers.mic92 ];
+  };
+}