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/nbsphinx/default.nix

@@ -0,0 +1,47 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, docutils
+, jinja2
+, nbconvert
+, nbformat
+, sphinx
+, traitlets
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "nbsphinx";
+  version = "0.8.8";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "b5090c824b330b36c2715065a1a179ad36526bff208485a9865453d1ddfc34ec";
+  };
+
+  propagatedBuildInputs = [
+    docutils
+    jinja2
+    nbconvert
+    nbformat
+    sphinx
+    traitlets
+  ];
+
+  # The package has not tests
+  doCheck = false;
+
+  JUPYTER_PATH = "${nbconvert}/share/jupyter";
+  pythonImportsCheck = [
+    "nbsphinx"
+  ];
+
+  disabled = !isPy3k;
+
+  meta = with lib; {
+    description = "Jupyter Notebook Tools for Sphinx";
+    homepage = "https://nbsphinx.readthedocs.io/";
+    license = licenses.mit;
+    maintainers = [ maintainers.costrouc ];
+  };
+}