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/rachiopy/default.nix

@@ -0,0 +1,35 @@
+{ lib
+, requests
+, buildPythonPackage
+, fetchFromGitHub
+, jsonschema
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "rachiopy";
+  version = "1.0.3";
+
+  src = fetchFromGitHub {
+    owner = "rfverbruggen";
+    repo = pname;
+    rev = version;
+    sha256 = "1d5v9qc7ymzns3ivc5fzwxnxz9sjkhklh57cw05va95mpk5kdskc";
+  };
+
+  propagatedBuildInputs = [ requests ];
+
+  checkInputs = [
+    jsonschema
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "rachiopy" ];
+
+  meta = with lib; {
+    description = "Python client for Rachio Irrigation controller";
+    homepage = "https://github.com/rfverbruggen/rachiopy";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}