anchor.diff:  
   buildPythonPackage rec {
     pname = "poetry-core";
  -  version = "1.0.4";
  +  version = "1.0.7";
     format = "pyproject";
   
     src = fetchFromGitHub {
       owner = "python-poetry";
       repo = pname;
       rev = version;
  -    sha256 = "0jgd4d7m5y8ly8n0l9lcq7cjab2y3hifk90f343ksmjzssfd5lg3";
  +    sha256 = "0v86x8f8pcbviv2cdn7jjbgj3c994qasx0bqk1kr0mj8m6pjwy9z";
     };
   
     postPatch = lib.optionalString (pythonOlder "3.8") ''
  
positive.code:   ];
  
    checkInputs = [
      pep517
      pytest-mock
      pytestCheckHook
  
negative.code: { lib, buildPythonPackage, fetchFromGitHub, pythonOlder, isPy27
  , git
  , importlib-metadata
  , intreehooks
  , pathlib2
  