anchor.diff:  , pytest-timeout
   , pytest-tornasync
   , ruamel-yaml
  -, strict-rfc3339
  +, importlib-metadata
   }:
   
   buildPythonPackage rec {
  
positive.code:     sha256 = "sha256-qRxRXg55caj3w8mDS3SIV/faxQL5NgS/KDmHmR/Zh+8=";
    };
  
    postPatch = ''
      substituteInPlace pyproject.toml \
        --replace "--cov jupyterlab_server --cov-report term-missing --cov-report term:skip-covered" ""
  
      # translation tests try to install additional packages into read only paths
      rm -r tests/translations/
    '';
  
    nativeBuildInputs = [
      hatchling
    ];
  
    propagatedBuildInputs = [ requests jsonschema json5 babel jupyter_server ];
  
    checkInputs = [
      openapi-core
  
negative.code: { lib
  , buildPythonPackage
  , fetchPypi
  , hatchling
  