{...}: {
  nixpkgs.overlays = [
    (final: prev: {
      python3 = prev.python3.override {
        packageOverrides = pythonPrev: pythonFinal: {
          h3 = pythonPrev.callPackage ./h3.nix {h3 = final.h3;};
          pygeofilter = pythonPrev.callPackage ./pygeofilter.nix {};
          pygeoif = pythonPrev.callPackage ./pygeoif.nix {};
          rfeed = pythonPrev.callPackage ./rfeed.nix {};
          pyexiv2 = pythonPrev.callPackage ./pyexiv2.nix {};
          geojson-pydantic = pythonPrev.callPackage ./geojson-pydantic.nix {};
          geopic-tag-reader = pythonPrev.callPackage ./geopic-tag-reader.nix {};
        };
      };
      python3Packages = final.python3.pkgs;
    })
  ];
}