anchor.diff:  
     src = fetchFromGitHub {
       owner = "pvizeli";
  -    repo = "pycognito";
  +    repo = pname;
       rev = version;
       sha256 = "sha256-RJeHPCTuaLN+zB0N0FGt4qrTI6++1ks5iBn64Cx0Psc=";
     };
  
positive.code: , envs
  , python-jose
  , requests
  , mock
  , isPy27
  }:
  
negative.code: 
    disabled = isPy27;
  
    checkInputs = [
      mock
      pytestCheckHook
    ];
  
    pytestFlagsArray = [ "tests.py" ];
    pythonImportsCheck = [ "pycognito" ];
  
    meta = with lib; {
      description = "Python class to integrate Boto3's Cognito client so it is easy to login users. With SRP support";
  