12 buildPythonPackage rec {
15 format = "setuptools";
17 disabled = pythonOlder "3.7";
20 inherit pname version;
21 hash = "sha256-h9EnvT3kvYmk+BJl5fpZyxsZmydEAXU3D3QX0rx66Gg=";
24 propagatedBuildInputs = [
31 # Tests require some data, the downloading of which is impure. It would
32 # probably make sense to make the data another derivation, but then feeding
33 # that into the tests (given that we need nltk itself to download the data,
34 # unless there's an easy way to download it without nltk's downloader) might
35 # be complicated. For now let's just disable the tests and hope for the
39 pythonImportsCheck = [ "nltk" ];
42 description = "Natural Language Processing ToolKit";
44 homepage = "http://nltk.org/";
45 license = licenses.asl20;