System Information
Windows 7

Blender Version
Found at 30 May 2014, may be was broken before

Short description of error
Importing requests module fails

Exact steps for others to reproduce the error

import request

leads to: https://gist.github.com/bdancer/4f33fd317f0fc78a13e2

Actually bug is in the urllib3 and is already fixes: https://github.com/shazow/urllib3/commit/6fbdf480868ca53bc63bd0397656feb0d502ad55

The solution is to simply update requests module.