anchor.diff:      owner = "ikvk";
       repo = "imap_tools";
       rev = "v${version}";
  -    sha256 = "071bri1h6j8saqqlb50zibdrk5hgkpwp4ysiskl1zin18794bq82";
  +    sha256 = "sha256-4OMWLWvNRg7z4KAAkB1l5YaWILFwIepZOWhBd64SGWI=";
     };
   
     checkInputs = [
  
positive.code: 
  buildPythonPackage rec {
    pname = "imap-tools";
    version = "0.49.1";
  
    disabled = isPy27;
  
  
negative.code:     "test_connectio"
      "test_attributes"
      "test_live"
    ];
  
    pythonImportsCheck = [ "imap_tools" ];
  