def METHOD_NAME(self, agent_version):
    """Return the module tag name for a given Agent version.
    >>> mods = [GoModule("."), GoModule("pkg/util/log")]
    >>> [mod.tag("7.27.0") for mod in mods]
    [["6.27.0", "7.27.0"], ["pkg/util/log/v0.27.0"]]
    """
    if self.path == ".":
        return ["6" + agent_version[1:], "7" + agent_version[1:]]
    return [f"{self.path}/{self.__version(agent_version)}"]