{
  description = "A very basic flake";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs";
    flake-utils = {
      url = "github:numtide/flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };
        pythonPackages = pkgs.python310Packages;
        pythonDeps = with pythonPackages; [ mypy flask pytest pylint black types-setuptools ];

      in
      {
        packages.pronoun-o-matic = pythonPackages.buildPythonApplication {
            pname = "pronoun-o-matic";
            version = "1.0";
            propagatedBuildInputs = pythonDeps;
            src = ./.;
        };
        devShell = pkgs.mkShell {
          buildInputs = [pythonPackages.python] ++ pythonDeps;
        };
        defaultPackage = self.packages.${system}.pronoun-o-matic;
      });
}