def _sourcenames(short=False):
    """Return a list with the source names.

    :param short: True for shorter names, defaults to False
    :type short: bool, optional
    :return: Source names.
    :rtype: dict [list [str]]

    """
    if short is False:
        sources = ["psicov", "ccmpred", "deepmetapsicov"]
    else:
        sources = ["psicov", "ccmpred", "dmp"]

    return sources