anchor.diff:      sqlalchemy
     ];
   
  -  checkInputs = [ pytest ] ++ lib.optionals isPy27 [ pathlib ];
  -
  -  checkPhase = ''
  -    pytest
  -  '';
  +  checkInputs = [ pytestCheckHook ];
  +  pythonImportsCheck = [ "bids" ];
   
     meta = with lib; {
       description = "Python tools for querying and manipulating BIDS datasets";
  
positive.code: , patsy
  , bids-validator
  , sqlalchemy
  , pytest
  , pathlib
  }:
  
  buildPythonPackage rec {
  
negative.code: { buildPythonPackage
  , lib
  , fetchPypi
  , click
  , num2words
  , numpy
  