anchor.diff:    ];
   
     checkInputs = [
  -    coveralls
  +    pytestCheckHook
     ];
  -
  -  checkPhase = ''
  -    coverage run -m unittest discover -s tests -t tests
  -  '';
   
     pythonImportsCheck = [
       "casbin"
     ];
   
     meta = with lib; {
  -    description = "An authorization library that supports access control models like ACL, RBAC, ABAC in Python";
  +    description = "Authorization library that supports access control models like ACL, RBAC and ABAC";
       homepage = "https://github.com/casbin/pycasbin";
       license = licenses.asl20;
       maintainers = with maintainers; [ costrouc ];
  
positive.code: { lib
  , buildPythonPackage
  , fetchFromGitHub
  , simpleeval
  , pythonOlder
  , coveralls
  , wcmatch
  }:
  
  buildPythonPackage rec {
    pname = "casbin";
    version = "1.16.9";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  
negative.code:     owner = pname;
      repo = "pycasbin";
      rev = "refs/tags/v${version}";
      hash = "sha256-fBMhrA4zL4XPjQ63AGc5jf585ZpHTBumPievDNfCw7o=";
    };
  
    propagatedBuildInputs = [
  