praw-dev/praw — pull request #233 by IvanTrendafilov (2013-07-04 16:48:57+00:00)
Title: Configuration initialization should also look for the http_proxy environment variable, if available

It is a convention in Python and Unix-based systems to set the http_proxy env. variable when defining a proxy. This change allows that to be picked up automatically, if no proxy is set in the config file.