pip connection failure: cannot fetch index base URL http://pypi.python.org/simple/
I know this is an old thread, but I encountered this issue today and wanted to share my solution to the problem because I haven’t seen this solution elsewhere on SO. My environment: Python 2.7.12/2.7.14 on Ubuntu 12.04.5 LTS in a virtualenv, pip version 1.1. My Errors: pip install nose in console: Cannot fetch index … Read more