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/watchdog/default.nix

@@ -0,0 +1,65 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchPypi
+, pathtools
+, pyyaml
+, flaky
+, pytest-timeout
+, pytestCheckHook
+, CoreServices
+}:
+
+buildPythonPackage rec {
+  pname = "watchdog";
+  version = "2.1.8";
+  format = "setuptools";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-bQMUkSaGSr0ycV1OkmfSdUzt4lppBSkBOZNWrTvF7P8=";
+  };
+
+  buildInputs = lib.optionals stdenv.isDarwin [ CoreServices ];
+
+  propagatedBuildInputs = [
+    pathtools
+    pyyaml
+  ];
+
+  checkInputs = [
+    flaky
+    pytest-timeout
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace "--cov=watchdog" "" \
+      --replace "--cov-report=term-missing" ""
+  '';
+
+  disabledTests = [
+    # probably failing because of an encoding related issue
+    "test_create_wrong_encoding"
+  ];
+
+  disabledTestPaths = [
+    # Tests are flaky
+    "tests/test_inotify_buffer.py"
+  ];
+
+  pythonImportsCheck = [
+    "watchdog"
+  ];
+
+  meta = with lib; {
+    description = "Python API and shell utilities to monitor file system events";
+    homepage = "https://github.com/gorakhargosh/watchdog";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ goibhniu ];
+    # error: use of undeclared identifier 'kFSEventStreamEventFlagItemCloned'
+    # builds fine on aarch64-darwin
+    broken = stdenv.isDarwin && !stdenv.isAarch64;
+  };
+}