def from_helioviewer_project(meta):
    """
    Test determining if the MapMeta object contains Helioviewer Project sourced
    data.

    Parameters
    ----------
    meta : `~sunpy.map.MapMeta`

    Returns
    -------
    If the data of the map comes from the Helioviewer Project, then True is
    returned.  If not, False is returned.

    """
    return 'helioviewer' in meta.keys()
