optimizer: don't import TPEOptimizer and KnobSamplingManager when startup
TPEOptimizer and KnobSamplingManager depend on hyperopt
and lhsmdu, respectively. So import them when using
Signed-off-by: NZhipeng Xie <xiezhipeng1@huawei.com>
Showing
想要评论请 注册 或 登录