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/pyjwt/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, cryptography
+, ecdsa
+, pytest-cov
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pyjwt";
+  version = "2.3.0";
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    pname = "PyJWT";
+    inherit version;
+    sha256 = "sha256-uIi01W8G9tzXdyEMM05pxze+dHVdPl6e4/5n3Big7kE=";
+  };
+
+  propagatedBuildInputs = [
+    cryptography
+    ecdsa
+  ];
+
+  checkInputs = [
+    pytest-cov
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "jwt" ];
+
+  meta = with lib; {
+    description = "JSON Web Token implementation in Python";
+    homepage = "https://github.com/jpadilla/pyjwt";
+    license = licenses.mit;
+    maintainers = with maintainers; [ prikhi ];
+  };
+}