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/ipywidgets/default.nix

@@ -0,0 +1,40 @@
+{ buildPythonPackage
+, fetchPypi
+, ipykernel
+, ipython
+, jupyterlab-widgets
+, lib
+, nbformat
+, pytestCheckHook
+, traitlets
+, widgetsnbextension
+}:
+
+buildPythonPackage rec {
+  pname = "ipywidgets";
+  version = "7.7.0";
+  format = "setuptools";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-q0pVloVaiLg3YZIcdocH1l5YRwaBObwXKd3+g0cDVCo=";
+  };
+
+  propagatedBuildInputs = [
+    ipython
+    ipykernel
+    jupyterlab-widgets
+    traitlets
+    nbformat
+    widgetsnbextension
+  ];
+
+  checkInputs = [ pytestCheckHook ];
+
+  meta = {
+    description = "IPython HTML widgets for Jupyter";
+    homepage = "http://ipython.org/";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ fridh ];
+  };
+}