requests/requests-oauthlib — pull request #87 by commx (2013-10-07 19:17:33+00:00)
Title: Added fix for compliance fixes for Facebook and LinkedIn on Python 3

I'm having issues when using the latest requests-oauthlib with Facebook, because requests' text method expects the content portion to be a bytes object in Python 3. The solution to this issue was (at least for me) to encode the JSON dumped content appropriately.