#NEWLINE# def _on_access_token( self , callback , response ) : #NEWLINE# #INDENT# if response . error : #NEWLINE# #INDENT# logging . warning ( 'Could not fetch access token' ) #NEWLINE# callback ( None ) #NEWLINE# return #NEWLINE# #UNINDENT# access_token = tornado . auth . _oauth_parse_response ( response . body ) #NEWLINE# callback ( access_token )