How to use the papermill.log.logger.warning function in papermill

def local_file_io_cwd(path=None):
    try:
        local_handler = papermill_io.get_handler("local")
    except PapermillException:
        logger.warning("No local file handler detected")
    else:
        try:
            old_cwd = local_handler.cwd(path or os.getcwd())
        except AttributeError:
            logger.warning("Local file handler does not support cwd assignment")
        else:
            try:
                yield
            finally:
                local_handler.cwd(old_cwd)

def local_file_io_cwd(path=None):
    try:
        local_handler = papermill_io.get_handler("local")
    except PapermillException:
        logger.warning("No local file handler detected")
    else:
        try:
            old_cwd = local_handler.cwd(path or os.getcwd())
        except AttributeError:
            logger.warning("Local file handler does not support cwd assignment")
        else:
            try:
                yield
            finally:
                local_handler.cwd(old_cwd)

newcell.metadata['jupyter'] = newcell.get('jupyter', {})
        newcell.metadata['jupyter']['source_hidden'] = True

    param_cell_index = _find_first_tagged_cell_index(nb, 'parameters')
    injected_cell_index = _find_first_tagged_cell_index(nb, 'injected-parameters')
    if injected_cell_index >= 0:
        # Replace the injected cell with a new version
        before = nb.cells[:injected_cell_index]
        after = nb.cells[injected_cell_index + 1 :]
    elif param_cell_index >= 0:
        # Add an injected cell after the parameter cell
        before = nb.cells[: param_cell_index + 1]
        after = nb.cells[param_cell_index + 1 :]
    else:
        # Inject to the top of the notebook
        logger.warning("Input notebook does not contain a cell with tag 'parameters'")
        before = []
        after = nb.cells

    nb.cells = before + [newcell] + after
    nb.metadata.papermill['parameters'] = parameters

    return nb