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/raincloudy/default.nix

@@ -0,0 +1,61 @@
+{ lib
+, beautifulsoup4
+, buildPythonPackage
+, fetchFromGitHub
+, html5lib
+, pytestCheckHook
+, pythonOlder
+, requests
+, requests-mock
+, urllib3
+}:
+
+buildPythonPackage rec {
+  pname = "raincloudy";
+  version = "1.1.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "vanstinator";
+    repo = pname;
+    rev = version;
+    hash = "sha256-c6tux0DZY56a4BpuiMXtaqm8+JKNDiyMxrFUju3cp2Y=";
+  };
+
+  propagatedBuildInputs = [
+    requests
+    beautifulsoup4
+    urllib3
+    html5lib
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    requests-mock
+  ];
+
+  postPatch = ''
+    # https://github.com/vanstinator/raincloudy/pull/60
+    substituteInPlace setup.py \
+      --replace "bs4" "beautifulsoup4" \
+      --replace "html5lib==1.0.1" "html5lib"
+  '';
+
+  pythonImportsCheck = [
+    "raincloudy"
+  ];
+
+  disabledTests = [
+    # Test requires network access
+    "test_attributes"
+  ];
+
+  meta = with lib; {
+    description = "Module to interact with Melnor RainCloud Smart Garden Watering Irrigation Timer";
+    homepage = "https://github.com/vanstinator/raincloudy";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}