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/relatorio/default.nix

@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchPypi
+, genshi
+, lxml
+, pyyaml
+, python-magic
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "relatorio";
+  version = "0.10.1";
+
+  disabled = pythonOlder "3.5";
+
+  format = "setuptools";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "a0c72302d50d5dfa433ddab191672eec1dde1c6ed26330a378b720e5a3012e23";
+  };
+
+  propagatedBuildInputs = [
+    genshi
+    lxml
+  ];
+
+  passthru.optional-dependencies = {
+    chart = [ /* pycha */ pyyaml ];
+    fodt = [ python-magic ];
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ] ++ passthru.optional-dependencies.fodt;
+
+  pythonImportsCheck = [ "relatorio" ];
+
+  meta = {
+    homepage = "https://relatorio.tryton.org/";
+    changelog = "https://hg.tryton.org/relatorio/file/${version}/CHANGELOG";
+    description = "A templating library able to output odt and pdf files";
+    maintainers = with lib.maintainers; [ johbo ];
+    license = lib.licenses.gpl2Plus;
+  };
+}