def __init__(self, groups=None):
        super(GroupedRequirements, self).__init__(NamedRequirements)
        self.groups = groups or self.default_groups
        self.filename = None
        self.create_default_groups()
def forceCloseCliConnectionTo(self):
        self.modeList = None
        if self._connection:
            self._debugLog("Closing connection.")
            self._connection.close()
        self._connection = None