Collecting cnfaker==0.1.6 (from -r requirements.txt (line 19))
Could not find a version that satisfies the requirement cnfaker==0.1.6 (from -r requirements.txt (line 19)) (from versions: 0.1.0.macosx-10.13-x86_64, 0.1.1, 0.1.2, 0.1.3)
No matching distribution found for cnfaker==0.1.6 (from -r requirements.txt (line 19))
You are using pip version 7.1.2, however version 9.0.1 is available.
这个cnfaker的包是我自己在pypi上传的,其中0.1.6版本是12月22日上传的,但引擎pip安装时使用的douban源,仍然找不到这个版本,只能找到0.1.3版本。