How to use the libtmux.exc.VersionTooLow function in libtmux

Returns
    -------
    :class:`distutils.version.LooseVersion`
        tmux version according to :func:`libtmux.common.which`'s tmux
    """
    proc = tmux_cmd('-V')
    if proc.stderr:
        if proc.stderr[0] == 'tmux: unknown option -- V':
            if sys.platform.startswith("openbsd"):  # openbsd has no tmux -V
                return LooseVersion('%s-openbsd' % TMUX_MAX_VERSION)
            raise exc.LibTmuxException(
                'libtmux supports tmux %s and greater. This system'
                ' is running tmux 1.3 or earlier.' % TMUX_MIN_VERSION
            )
        raise exc.VersionTooLow(proc.stderr)

    version = proc.stdout[0].split('tmux ')[1]

    # Allow latest tmux HEAD
    if version == 'master':
        return LooseVersion('%s-master' % TMUX_MAX_VERSION)

    version = re.sub(r'[a-z-]', '', version)

    return LooseVersion(version)

tmux version below minimum required for libtmux

    Notes
    -----

    .. versionchanged:: 0.7.0
        No longer returns version, returns True or False

    .. versionchanged:: 0.1.7
        Versions will now remove trailing letters per `Issue 55`_.

        .. _Issue 55: https://github.com/tmux-python/tmuxp/issues/55.
    """
    if get_version() < LooseVersion(TMUX_MIN_VERSION):
        if raises:
            raise exc.VersionTooLow(
                'libtmux only supports tmux %s and greater. This system'
                ' has %s installed. Upgrade your tmux to use libtmux.'
                % (TMUX_MIN_VERSION, get_version())
            )
        else:
            return False
    return True