anchor.diff:      gdal pillow matplotlib pyepsg pykdtree scipy fiona owslib
     ];
   
  -  checkInputs = [ pytestCheckHook filelock mock pep8 ];
  +  checkInputs = [ pytestCheckHook filelock mock pep8 flufl_lock ];
   
     pytestFlagsArray = [
       "--pyargs" "cartopy"
  
positive.code:   disabledTests = [
      "test_nightshade_image"
      "background_img"
    ];
  
    nativeBuildInputs = [
  
negative.code: { buildPythonPackage, lib, fetchPypi
  , pytestCheckHook, filelock, mock, pep8
  , cython
  , six, pyshp, shapely, geos, numpy
  , gdal, pillow, matplotlib, pyepsg, pykdtree, scipy, owslib, fiona
  , proj, flufl_lock
  }:
  
  buildPythonPackage rec {
    pname = "cartopy";
    version = "0.19.0.post1";
  
    src = fetchPypi {
      inherit version;
      pname = "Cartopy";
      sha256 = "0xnm8z3as3hriivdfd26s6vn5b63gb46x6vxw6gh1mwfm5rlg2sb";
    };
  
    buildInputs = [
      geos proj
  