def _remove_old_connections(facebook_id, current_user_id=None):
 other_facebook_accounts = _get_old_connections(facebook_id, current_user_id)
 other_facebook_accounts.update(facebook_id=None)

def _remove_old_connections ( facebook_id , current_user_id = None ) : other_facebook_accounts = _get_old_connections ( facebook_id , current_user_id ) other_facebook_accounts . update ( facebook_id = None )
removes the facebook id for profiles with the specified facebook id which arent the current user id .