arsduo/koala — pull request #283 by mtparet (2013-01-15 01:05:12+00:00)
Title: Fix https://github.com/arsduo/koala/issues/280

Fix https://github.com/arsduo/koala/issues/280
undefined method `[]' for nil:NilClass koala/api/graph_api.rb:181:in `block in get_picture'