我尝试打开ipython笔记本,但收到此消息:
追踪(最近一次通话): 文件" / usr / local / bin / ipython",第5行,in 来自pkg_resources import load_entry_point
文件" /usr/lib/python2.7/dist-packages/pkg_resources/ init .py",第3080行, @_call_aside
文件" /usr/lib/python2.7/dist-packages/pkg_resources/ init .py",第3066行,在_call_aside f(* args,** kwargs)
文件" /usr/lib/python2.7/dist-packages/pkg_resources/ init .py",第3093行,在_initialize_master_working_set中 working_set = WorkingSet._build_master()
文件" /usr/lib/python2.7/dist-packages/pkg_resources/ init .py",第651行,在_build_master中 ws.require(的需要)
文件" /usr/lib/python2.7/dist-packages/pkg_resources/ init .py",第952行,在require中 needed = self.resolve(parse_requirements(requirements))
文件" /usr/lib/python2.7/dist-packages/pkg_resources/ init .py",第839行,已解决 提升DistributionNotFound(req,requirers) pkg_resources.DistributionNotFound:' traitlets'没有找到分发,并且是ipython
所要求的答案 0 :(得分:0)
您是否尝试安装此guard let success = result as? [String: AnyObject] else { return }
let data = success["data"] as! [AnyObject]
let firstObject = data.first! as! [String: AnyObject]
print(firstObject["brand"] as! String)
依赖项? :.myOption {
font-size: 20px;
}