ssl: load CA certificates from system's store by default on Python 2.7.9 This will make it easy to manage in-house CA certificates, which are often used in corporate environment and installed into the Windows' certs store. Unlike Apple python, the dummycert trick isn't necessary on Python 2.7.9. The default web.cacerts will be set as follows: environment web.cacerts behavior ------------- ----------- ----------------------------------------- Apple Python dummycert fall back to system's store Python 2.7.8 '!' never use CA certs (show warning instead) Python 2.7.9+ None load CA certs from system's store