def patch(self, where, item_id, **update):
    """Returns True if successful; otherwise, False"""
    body = json.dumps(update, cls=JSONEncoder)
    item_uri = self.uri % (where, str(item_id))
    h = httplib2.Http()
    response, content = h.request(
        item_uri, method="PATCH", body=body, headers=self.headers
    )
    return response["status"] == "202", response, content