Python pip 报错
1,pip ssl certification ssl: certificate_verify_failed。。。
2,Could not find a version that satisfies the requirement Flask-B
ootstrap==3.0.3.1 (from -r common.txt (line 2)) (from versions: )
No matching distribution found for Flask-Bootstrap==3.0.3.1 (from
-r common.txt (line 2))
解决:
pip --trusted-host pypi.python.org install virtualenv