def clean_semver(cls, version_spec):
        return re.sub(r"([<>=~])\s+?v?", "\\1", version_spec, re.IGNORECASE)
def closeCliConnectionTo(self):
        if self._connection == None:
            return
        self._exit_modes_beyond(-1)
        self.modeList = []
        self._debugLog("Exited all modes.")
        self.forceCloseCliConnectionTo()