requests/requests-oauthlib — pull request #72 by rintaun (2013-09-10 00:02:38+00:00)
Title: Fix KeyError in facebook_compliance_fix

Facebook does not always send an expiration value in an access token response. When the expiration is not included, a KeyError results. Instead, only attempt to set 'expires_in' if the 'expires' key is included in the response.