anchor.diff:  }:
   
   buildPythonPackage rec {
  +  pname = "vdirsyncer";
     version = "0.18.0";
  -  pname = "vdirsyncer";
  +  format = "setuptools";
  +
     disabled = pythonOlder "3.7";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "sha256-J7w+1R93STX7ujkpFcjI1M9jmuUaRLZ0aGtJoQJfwgE=";
  +    hash = "sha256-J7w+1R93STX7ujkpFcjI1M9jmuUaRLZ0aGtJoQJfwgE=";
     };
   
     propagatedBuildInputs = [
  
positive.code:     click-log
      click-threading
      requests
      requests_oauthlib # required for google oauth sync
      requests-toolbelt
    ];
  
  
negative.code: , click-threading
  , requests-toolbelt
  , requests
  , requests-oauthlib
  , atomicwrites
  , hypothesis
  , pytestCheckHook
  