anchor.diff:      owner = "ikvk";
       repo = "imap_tools";
       rev = "v${version}";
  -    hash = "sha256-ki38Kr+eDEIQPRuoQePR7dCRDSgq2ZLXws1pq2gtQrI=";
  +    hash = "sha256-ZJen+hpNpeZjScD7aqdaW796KRlJ8K1JBXPOagpceXk=";
     };
   
     checkInputs = [
  
positive.code:   disabledTests = [
      # tests require a network connection
      "test_action"
      "test_folders"
      "test_connection"
      "test_attributes"
      "test_live"
    ];
  
  
negative.code: 
  buildPythonPackage rec {
    pname = "imap-tools";
    version = "0.51.0";
  
    disabled = isPy27;
  
  