mitsuhiko/flask-oauth — pull request #23 by mehdimehdi (2012-06-06 06:04:42+00:00)
Title: The request to get the access_token to have the args in the body if required to use the POST method

Instagram's API requires you to send the parameters in the body of the request when requesting the access_token in exchange of the code: http://instagr.am/developer/authentication/

The flask-oauth library needs to be updated to send the content of the remote_args in the body of the oauth2 request.