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/circuitbreaker/default.nix

@@ -0,0 +1,38 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, mock
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "circuitbreaker";
+  version = "1.3.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "fabfuel";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-3hFa8dwCso5tj26ek2jMdVBRzu5H3vkdjQlDYw2hSH0=";
+  };
+
+  checkInputs = [
+    mock
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "circuitbreaker"
+  ];
+
+  meta = with lib; {
+    description = "Python Circuit Breaker implementation";
+    homepage = "https://github.com/fabfuel/circuitbreaker";
+    license = with licenses; [ bsd3 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}