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