anchor.diff:      "--reruns 3"
       # Don't run tests that require network access
       "-m 'not network'"
  +    # Ignore warning about pyarrow 5.0.0 feautres
  +    "-W"
  +    "ignore::FutureWarning"
     ];
   
     disabledTests = lib.optionals stdenv.isDarwin [
       # Test requires features of python3Packages.psutil that are
       # blocked in sandboxed-builds
       "test_auto_blocksize_csv"
  +    # AttributeError: 'str' object has no attribute 'decode'
  +    "test_read_dir_nometa"
  +  ] ++ [
  +    "test_chunksize_files"
     ];
   
     __darwinAllowLocalNetworking = true;
  
positive.code:     "dask.diagnostics"
    ];
  
    passthru.optional-dependencies = {
      complete = [ distributed ];
    };
  
    meta = with lib; {
      description = "Minimal task scheduling abstraction";
      homepage = "https://dask.org/";
  
negative.code:     owner = "dask";
      repo = pname;
      rev = version;
      hash = "sha256-8M70Pf31PhYnBPRhSG55eWg6gK0lxsIFKF+cRCsf0/U=";
    };
  
    propagatedBuildInputs = [
  