let
  pkgs = import <nixpkgs> { };
in

self: super: rec {
  python39 = super.pkgs.python39.override {
    packageOverrides = self: super: {
      strawberry_graphql = super.buildPythonPackage
        rec {
          pname = "strawberry-graphql";
          version = "0.114.5";
          format = "pyproject";
          patches = [
            ./strawberry-graphql/strawberry-graphql.patch
          ];
          propagatedBuildInputs = with super.pkgs; [
            typing-extensions
            graphql-core
            python-multipart
            python-dateutil
            flask
            pydantic
            pygments
            poetry
          ];

          src = super.fetchPypi {
            inherit pname version;
            sha256 = "b6e007281cf29a66eeba66a512744853d8aa53b4ca2525befb6f350bb7b24df6";
          };
        }
        };
    };

    python39Packages = python39.pkgs;
    selfprivacy-api = super.callPackage ./pkgs/selfprivacy-api {
      pythonPkgs = python39Packages;
    };
  }