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/oslo-log/default.nix

@@ -0,0 +1,62 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchPypi
+, oslo-config
+, oslo-context
+, oslo-serialization
+, oslo-utils
+, oslotest
+, pbr
+, pyinotify
+, python-dateutil
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "oslo-log";
+  version = "5.0.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    pname = "oslo.log";
+    inherit version;
+    hash = "sha256-c6tyNKii1QvfUmyHTfocsrEIO6+a2VvC64r1YkidTQE=";
+  };
+
+  propagatedBuildInputs = [
+    oslo-config
+    oslo-context
+    oslo-serialization
+    oslo-utils
+    pbr
+    python-dateutil
+  ] ++ lib.optionals stdenv.isLinux [
+    pyinotify
+  ];
+
+  checkInputs = [
+    oslotest
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # not compatible with sandbox
+    "test_logging_handle_error"
+  ];
+
+  pythonImportsCheck = [
+    "oslo_log"
+  ];
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    description = "oslo.log library";
+    homepage = "https://github.com/openstack/oslo.log";
+    license = licenses.asl20;
+    maintainers = teams.openstack.members;
+  };
+}