anchor.diff: -{ stdenv, lib, buildPythonPackage, fetchFromGitHub, python, pythonOlder
  +{ stdenv
  +, lib
  +, buildPythonPackage
  +, fetchFromGitHub
  +, pythonOlder
   , cython
   , eventlet
   , futures ? null
  
positive.code: 
  buildPythonPackage rec {
    pname = "cassandra-driver";
    version = "3.24.0";
  
    # pypi tarball doesn't include tests
    src = fetchFromGitHub {
      owner = "datastax";
      repo = "python-driver";
      rev = version;
      sha256 = "1rr69hly5q810xpn8rkzxwzlq55wxxp7kwki9vfri3gh674d2wip";
    };
  
    nativeBuildInputs = [ cython ];
  
negative.code: 
    pytestFlagsArray = [
      "tests/unit"
    ];
    disabledTestPaths = [
      # requires puresasl
      "tests/unit/advanced/test_auth.py"
    ];
    disabledTests = [
      # doesn't seem to be intended to be run directly
  