Fixes a socket error.

Oh my mistake, I just tested again and the `stderr` is back, I guess that's not the fix then. I could replicate it with `python -c "import praw; r = praw.Reddit(user_agent='nada'); r.login()"` but evidently not.

    Locations:  ['/mnt/old/home/napalm/Shreddit/lib/python3.4/site-packages/praw/praw.ini', 'praw.ini'] module_dir:  /mnt/old/home/napalm/Shreddit/lib/python3.4/site-packages/praw os_config_path:  /mnt/old/home/napalm/.config
    retrieving: https://ssl.reddit.com/api/login/.json
    retrieving: http://www.reddit.com/user/x89/about/.json
    sys:1: ResourceWarning: unclosed <socket object at 0x7f562703c888>
    /mnt/old/home/napalm/Shreddit/lib/python3.4/importlib/_bootstrap.py:2150:     
    ImportWarning: sys.meta_path is empty

Pull request dismissed.