梦里茶
@errorlife 这个问题与pydot版本有关，1.2.0以前的pydot中graph_from_dot_data() 返回单个的对象，1.2.0之后返回list，详见[Pydot changelog](https://github.com/erocarrera/pydot/blob/ae51c606731cebfe5cddc13528f65acd3ceea9f6/ChangeLog)， [pydotplus](https://pypi.python.org/pypi/pydotplus)是支持python2.7的
@kunyu-Wang 在src目录下输入python viz.py试试
Got it，如果有空的话，一些小bug可以fork后提pull request帮忙修复哈
更新了lesson4 pipeline，主要是对之前概念的回顾和梳理
因为…比赛结束了呀，你也可以拿一些行人重识别的数据集去跑这个代码。比如[Market1501](http://www.liangzheng.com.cn/Project/project_reid.html)
Previous link was provided by Baidu and only Baidu has the rights to spread the data, thus I can not provide the data anymore if Baidu canceled the link shared.
You can also apply this model on Person ReID dataset [Market1501](http://www.liangzheng.org/Project/project_reid.html). But you should do some processing on the data. You can refer to part of our CVPR paper code:...