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/restview/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, docutils
+, readme_renderer
+, packaging
+, pygments
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "restview";
+  version = "3.0.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-K5iWEKrtL9Qtpk9s3FOc8+5wzjcLy6hy23JCGtUV3R4=";
+  };
+
+  propagatedBuildInputs = [
+    docutils
+    readme_renderer
+    packaging
+    pygments
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "restview"
+  ];
+
+  meta = {
+    description = "ReStructuredText viewer";
+    homepage = "https://mg.pov.lt/restview/";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ koral ];
+  };
+}