anchor.diff:        --replace "cmdclass=versioneer.get_cmdclass()," ""
     '';
   
  -  #pytestFlagsArray = [ "-n $NIX_BUILD_CORES" ];
  +  pytestFlagsArray = [ "-n $NIX_BUILD_CORES" ];
   
     disabledTests = [
  -    "test_argwhere_str"
  -    "test_count_nonzero_str"
  -    "rolling_methods" # floating percision error ~0.1*10^8 small
  -    "num_workers_config" # flaky
  -    "test_2args_with_array[pandas1-darray1-ldexp]" # flaky
  +    "test_annotation_pack_unpack"
  +    "test_annotations_blockwise_unpack"
     ];
   
     meta = with lib; {
  
positive.code: , dill
  , pandas
  , partd
  }:
  
  buildPythonPackage rec {
  
negative.code:     pandas
      partd
      toolz
    ] ++ lib.optionals withExtraComplete [
      distributed
    ];
  
    doCheck = false;
  
    checkInputs = [
      pytestCheckHook
      pytest-rerunfailures
      pytest-xdist
    ];
  
    dontUseSetuptoolsCheck = true;
  
    postPatch = ''
      # versioneer hack to set version of github package
  