def _pop_extras_kwargs(kwargs):
    """
    Remove the keywords used in the extras section (if present), and return them.
    
    Returns:
        tuple made of (extras_kwargs, kwargs), where extras_kwargs are keywords for the extras and kwargs are the others that were provided. 
        
    """
    extras_kwargs = {}
    if 'visualizations' in kwargs:
        extras_kwargs['visualizations'] = kwargs.pop('visualizations')
    return extras_kwargs
