python3Packages.simplebayes: drop nose dependency

  lib,

  buildPythonPackage,

  fetchFromGitHub,

  nose,

  unittestCheckHook,

  mock,

  isPy3k,

}:

  };

  nativeCheckInputs = [

    nose

    mock

    unittestCheckHook

  ];

  postPatch = lib.optionalString isPy3k ''

    sed -i -e 's/open *(\([^)]*\))/open(\1, encoding="utf-8")/' setup.py

  '';

  checkPhase = "nosetests tests/test.py";

  meta = with lib; {

    description = "Memory-based naive bayesian text classifier";

    homepage = "https://github.com/hickeroar/simplebayes";