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