anchor.diff:    #   ${python.interpreter} -m pytest spacy/tests --vectors --models --slow
     # '';
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "Industrial-strength Natural Language Processing (NLP) with Python and Cython";
       homepage = https://github.com/explosion/spaCy;
       license = licenses.mit;
  
positive.code: , dill
  , requests
  , thinc
  , pip
  , regex
  }:
  
  buildPythonPackage rec {
  
negative.code:   '';
  
    propagatedBuildInputs = [
     numpy
     murmurhash
     cymem
     preshed
     thinc
     plac
     six
     html5lib
     ujson
     dill
     requests
     regex
     ftfy
     msgpack-python
     msgpack-numpy
    ] ++ lib.optional (pythonOlder "3.4") pathlib;
  
    checkInputs = [
      pytest
  