{ lib, buildPythonPackage, fetchFromGitHub, regex, requests, tqdm, numpy
, toposort, tensorflow }:

buildPythonPackage rec {
  pname = "gpt-2-simple";
  version = "0.8.1";

  src = fetchFromGitHub {
    owner = "minimaxir";
    repo = "gpt-2-simple";
    rev = "v${version}";
    sha256 = "sha256-WwD4sDcc28zXEOISJsq8e+rgaNrrgIy79Wa4J3E7Ovc=";
  };

  propagatedBuildInputs = [ regex requests tqdm numpy toposort tensorflow ];

  dontCheck = true; # no tests in upstream

  meta = with lib; {
    description =
      "Easily retrain OpenAI's GPT-2 text-generating model on new texts";
    homepage = "https://github.com/minimaxir/gpt-2-simple";
    license = licenses.mit;
    maintainers = with maintainers; [ ckie ];
  };
}