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/aniso8601/default.nix

@@ -0,0 +1,35 @@
+{ lib
+, buildPythonPackage
+, python-dateutil
+, fetchPypi
+, isPy3k
+, mock
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "aniso8601";
+  version = "9.0.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-cuMRdmfu32aVG7LZP0KWpWuUsHioqVkFoFJhH7PxuXM=";
+  };
+
+  propagatedBuildInputs = [
+    python-dateutil
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ] ++ lib.optional (!isPy3k) mock;
+
+  pythonImportsCheck = [ "aniso8601" ];
+
+  meta = with lib; {
+    description = "Python Parser for ISO 8601 strings";
+    homepage = "https://bitbucket.org/nielsenb/aniso8601";
+    license = with licenses; [ bsd3 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}