anchor.diff:    ];
   
     meta = with lib; {
  -    homepage = "https://repo2docker.readthedocs.io/en/latest/";
  -    description = "Repo2docker: Turn code repositories into Jupyter enabled Docker Images";
  +    description = "Turn code repositories into Jupyter enabled Docker Images";
  +    homepage = "https://repo2docker.readthedocs.io/";
       license = licenses.bsdOriginal;
  -    maintainers = [ maintainers.costrouc ];
  +    maintainers = with maintainers; [ costrouc ];
     };
   }
  
positive.code: { lib, buildPythonPackage, fetchPypi, pythonOlder
  , docker
  , escapism
  , jinja2
  , pkgs-docker
  , python-json-logger
  , pyyaml
  , ruamel_yaml
  , semver
  
negative.code: }:
  
  buildPythonPackage rec {
    version = "2021.08.0";
    pname = "jupyter-repo2docker";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = "jupyterhub";
      repo = "repo2docker";
      rev = version;
      sha256 = "10hcdag7ivyqyiqrmr9c48zynp8d81ic3px1ffgnaysih7lvkwb6";
    };
  
    propagatedBuildInputs = [
      docker
      entrypoints
      escapism
      iso8601
      jinja2
      pkgs-docker
      python-json-logger
  