anchor.diff:      owner = "jazzband";
       repo = "django-redis";
       rev = version;
  -    sha256 = "sha256-S94qH2W5e65yzGfPxpwBUKhvvVS0Uc/zSyo66bnvzf4=";
  +    sha256 = "sha256-e8wCgfxBT+WKFY4H83CTMirTpQym3QAoeWnXbRCDO90=";
     };
   
     postPatch = ''
  
positive.code: 
    preCheck = ''
      ${pkgs.redis}/bin/redis-server &
    '';
  
    checkInputs = [
  
negative.code: 
  let
    pname = "django-redis";
    version = "5.2.0";
  in
  buildPythonPackage {
    inherit pname version;
  