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/josepy/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, cryptography
+, fetchPypi
+, pyopenssl
+, pytestCheckHook
+, pythonOlder
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "josepy";
+  version = "1.13.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-iTHa84+KTIUnSg6LfLJa3f2NHyj5+4++0FPdUa7HXck=";
+  };
+
+  propagatedBuildInputs = [
+    pyopenssl
+    cryptography
+    setuptools
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace pytest.ini \
+      --replace " --flake8 --cov-report xml --cov-report=term-missing --cov=josepy --cov-config .coveragerc" ""
+    sed -i '/flake8-ignore/d' pytest.ini
+  '';
+
+  pythonImportsCheck = [
+    "josepy"
+  ];
+
+  meta = with lib; {
+    description = "JOSE protocol implementation in Python";
+    homepage = "https://github.com/jezdez/josepy";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ ];
+  };
+}