def is_data_dependent(fmto, data):
    """Check whether a formatoption is data dependent

    Parameters
    ----------
    fmto: Formatoption
        The :class:`Formatoption` instance to check
    data: xarray.DataArray
        The data array to use if the :attr:`~Formatoption.data_dependent`
        attribute is a callable

    Returns
    -------
    bool
        True, if the formatoption depends on the data"""
    if callable(fmto.data_dependent):
        return fmto.data_dependent(data)
    return fmto.data_dependent
