anchor.diff:  
     meta = {
       description = "Twisted-based Tor controller client, with state-tracking and configuration abstractions";
  -    homepage = https://github.com/meejah/txtorcon;
  +    homepage = "https://github.com/meejah/txtorcon";
       maintainers = with lib.maintainers; [ jluttine ];
       # Currently broken on Python 2.7. See
       # https://github.com/NixOS/nixpkgs/issues/71826
  
positive.code: 
  buildPythonPackage rec {
    pname = "txtorcon";
    version = "19.1.0";
  
    checkInputs = [ pytest mock lsof GeoIP ];
    propagatedBuildInputs = [
  
negative.code: 
    src = fetchPypi {
      inherit pname version;
      sha256 = "0yipb41w2icbj50d3z1j92d8w6xhbqd1rnmd31vzb5k3g20x0b0j";
    };
  
    # zope.interface issue
  