1. 安装pycococreatortools
在https://codechina.csdn.net/mirrors/waspinator/pycococreator?utm_source=csdn_github_accelerator下载安装包
安装包安装的命令行：python setup.py install
2. 安装pycocotools
pip install cython
sudo pip install git+git://github.com/waspinator/coco.git@2.1.0
