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/openapi-spec-validator/default.nix

@@ -0,0 +1,31 @@
+{ lib, buildPythonPackage, isPy27, fetchPypi
+, jsonschema, openapi-schema-validator, pyyaml, six, pathlib
+, mock, pytest, pytest-cov, pytest-flake8, tox, setuptools
+, poetry-core
+, requests
+}:
+
+buildPythonPackage rec {
+  pname = "openapi-spec-validator";
+  version = "0.4.0";
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-l/JYhQr8l7BI98JlOFXg+I+masEDwr5Qd8eWCsoq1Jo=";
+  };
+
+  nativeBuildInputs = [ poetry-core ];
+
+  propagatedBuildInputs = [ jsonschema openapi-schema-validator pyyaml six setuptools requests ]
+    ++ (lib.optionals (isPy27) [ pathlib ]);
+
+  checkInputs = [ mock pytest pytest-cov pytest-flake8 tox ];
+
+  meta = with lib; {
+    homepage = "https://github.com/p1c2u/openapi-spec-validator";
+    description = "Validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger) and OpenAPI 3.0.0 specification";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ rvl ];
+  };
+}