def stream_body(response, &block)
      response.body.each(&block)
    rescue => exception
      request_error!(exception)
    ensure
      response.connection.close unless @client.persistent?
    end
def stream_body(response, &block)
      response.body.each(&block)
    rescue => exception
      request_error!(exception)
    ensure
      response.connection.close unless @client.persistent?
    end
Yields chunks of the response body to the block.