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/karton-core/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, minio
+, python
+, redis
+}:
+
+buildPythonPackage rec {
+  pname = "karton-core";
+  version = "4.4.1";
+
+  src = fetchFromGitHub {
+    owner = "CERT-Polska";
+    repo = "karton";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-smgKrFexuL0bgt/1Ikm1tpSGPJNJm7Ko68iZn3AQw5E=";
+  };
+
+  propagatedBuildInputs = [ minio redis ];
+
+  checkPhase = ''
+    runHook preCheck
+    ${python.interpreter} -m unittest discover
+    runHook postCheck
+  '';
+
+  meta = with lib; {
+    description = "Distributed malware processing framework";
+    homepage = "https://karton-core.readthedocs.io/";
+    maintainers = with maintainers; [ chivay ];
+    license = licenses.bsd3;
+  };
+}