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/vega/default.nix

@@ -0,0 +1,33 @@
+{ lib, buildPythonPackage , fetchPypi, pythonOlder
+, jupyter_core, pandas, ipywidgets, jupyter }:
+
+buildPythonPackage rec {
+  pname = "vega";
+  version = "3.6.0";
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-cO+7Ynbv/+uoNUOPQvDNZji04llHUBlm95Cyfy+Ny80=";
+  };
+
+  propagatedBuildInputs = [ jupyter jupyter_core pandas ipywidgets ];
+
+  # currently, recommonmark is broken on python3
+  doCheck = false;
+  pythonImportsCheck = [ "vega" ];
+
+  meta = with lib; {
+    description = "An IPython/Jupyter widget for Vega and Vega-Lite";
+    longDescription = ''
+      To use this you have to enter a nix-shell with vega. Then run:
+
+      jupyter nbextension install --user --py vega
+      jupyter nbextension enable --user vega
+    '';
+    homepage = "https://github.com/vega/ipyvega";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ teh ];
+    platforms = platforms.unix;
+  };
+}