安装与编译mmdetection时报错，请问这是什么原因呢？ #98
Description
ERROR: Could not find a version that satisfies the requirement pycocotools (unavailable) (from mmdet) (from versions: 2.0.0, 2.0.1, 2.0.2a1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7)
ERROR: No matching distribution found for pycocotools (unavailable)