anchor.diff:      shippai
     ];
   
  -  buildInputs = with python3Packages; [ setuptools_scm ];
  +  nativeBuildInputs = with python3Packages; [ setuptools_scm ];
   
  -  checkInputs = with python3Packages; [ hypothesis pytest pytest-localserver pytest-subtesthack ] ++ [ glibcLocales ];
  +  checkInputs = with python3Packages; [ hypothesis pytest pytest-localserver pytest-subtesthack ];
   
     patches = [
       # Fixes for hypothesis: https://github.com/pimutils/vdirsyncer/pull/779
  
positive.code: { stdenv, python3Packages, fetchFromGitHub, fetchpatch, glibcLocales, rustPlatform, pkgconfig, openssl, Security }:
  
  # Packaging documentation at:
  # https://github.com/untitaker/vdirsyncer/blob/master/docs/packaging.rst
  
negative.code:     homepage = https://github.com/pimutils/vdirsyncer;
      description = "Synchronize calendars and contacts";
      maintainers = with maintainers; [ matthiasbeyer ];
      license = licenses.mit;
    };
  }
  