'Returns an authorized http instance.
Must only be called from within an @oauth_required decorated method, or
from within an @oauth_aware decorated method where has_credentials()
returns True.
Args:
*args: Positional arguments passed to httplib2.Http constructor.
**kwargs: Positional arguments passed to httplib2.Http constructor.'

def http(self, *args, **kwargs):

    return self.credentials.authorize(transport.get_http_object(*args, **kwargs))
