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/pyvlx/default.nix

@@ -0,0 +1,47 @@
+{ stdenv
+, lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pythonOlder
+, pyyaml
+}:
+
+buildPythonPackage rec {
+  pname = "pyvlx";
+  version = "0.2.20";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "Julius2342";
+    repo = pname;
+    rev = version;
+    sha256 = "1irjix9kr6qih84gii7k1a9c67n8133gpnmwfd09550jsqdmg006";
+  };
+
+  propagatedBuildInputs = [
+    pyyaml
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "pyvlx"
+  ];
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    description = "Python client to work with Velux units";
+    longDescription = ''
+      PyVLX uses the Velux KLF 200 interface to control io-Homecontrol
+      devices, e.g. Velux Windows.
+    '';
+    homepage = "https://github.com/Julius2342/pyvlx";
+    license = with licenses; [ lgpl2Only ];
+    maintainers = with maintainers; [ fab ];
+  };
+}