def pytest_load_initial_conftests(early_config, parser, args):
    """ implements the loading of initial conftest files ahead
    of command line option parsing.

    .. note::
        This hook will not be called for ``conftest.py`` files, only for setuptools plugins.

    :param _pytest.config.Config early_config: pytest config object
    :param list[str] args: list of arguments passed on the command line
    :param _pytest.config.Parser parser: to add command line options
    """
