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/python-redis-lock/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchPypi
+, redis
+, pytestCheckHook
+, process-tests
+, pkgs
+, withDjango ? false, django-redis
+}:
+
+buildPythonPackage rec {
+  pname = "python-redis-lock";
+  version = "3.7.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "4265a476e39d476a8acf5c2766485c44c75f3a1bd6cf73bb195f3079153b8374";
+  };
+
+  propagatedBuildInputs = [
+    redis
+  ] ++ lib.optional withDjango django-redis;
+
+  checkInputs = [
+    pytestCheckHook
+    process-tests
+    pkgs.redis
+  ];
+
+  disabledTests = [
+    # https://github.com/ionelmc/python-redis-lock/issues/86
+    "test_no_overlap2"
+  ] ++ lib.optionals stdenv.isDarwin [
+    # fail on Darwin because it defaults to multiprocessing `spawn`
+    "test_reset_signalizes"
+    "test_reset_all_signalizes"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/ionelmc/python-redis-lock";
+    license = licenses.bsd2;
+    description = "Lock context manager implemented via redis SETNX/BLPOP";
+    maintainers = with maintainers; [ vanschelven ];
+  };
+}