# File lib/docker/image.rb, line 187
    def load(tar, opts = {}, conn = Docker.connection, creds = nil, &block)
       headers = build_headers(creds)
       io = tar.is_a?(String) ? File.open(tar, 'rb') : tar
       body = ""
       conn.post(
         '/images/load',
         opts,
         :headers => headers,
         :response_block => response_block(body, &block)
       ) { io.read(Excon.defaults[:chunk_size]).to_s }
    end