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/ipydatawidgets/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPy27
+, pytest
+, pytest-cov
+, nbval
+, jupyter-packaging
+, ipywidgets
+, numpy
+, six
+, traittypes
+}:
+
+buildPythonPackage rec {
+  pname = "ipydatawidgets";
+  version = "4.2.0";
+
+  disabled = isPy27;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "d0e4b58b59b508165e8562b8f5d1dbfcd739855847ec0477bd9185a5e9b7c5bc";
+  };
+
+  nativeBuildInputs = [
+    jupyter-packaging
+  ];
+
+  setupPyBuildFlags = [ "--skip-npm" ];
+
+  propagatedBuildInputs = [
+    ipywidgets
+    numpy
+    six
+    traittypes
+  ];
+
+  checkInputs = [ pytest pytest-cov nbval ];
+
+  checkPhase = "pytest ipydatawidgets/tests";
+
+  meta = {
+    description = "Widgets to help facilitate reuse of large datasets across different widgets";
+    homepage = "https://github.com/vidartf/ipydatawidgets";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ bcdarwin ];
+  };
+}