【模块名_概率】简要描述：
./build.sh --product-name Hi3516DV300 构建失败
【环境信息】:

• 网络环境 ubuntu18.04
• 硬件开发板型号 Hi3516DV300
• 软件版本信息或tag节点
• 测试环境
• 其他

【预置条件】:
下载当前最新master分支代码
【测试步骤】：
./build/prebuilts_download.sh
./build.sh --product-name Hi3516DV300.
【预期结果】：
编译成功
【实际结果】：
编译失败，提示no dataclass

root@ecs-c6s-xlarge-2-linux-20200901122034:/data/source_code/openharmony# ./build.sh --product-name Hi3516DV300
++++++++++++++++++++++++++++++++++++++++
2022-01-15 17:08:38
--product-name Hi3516DV300
Traceback (most recent call last):
File "build/lite/hb/main.py", line 103, in
sys.exit(main())
File "build/lite/hb/main.py", line 69, in main
each.get('name')))
File "/usr/lib/python3.6/importlib/init.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "", line 994, in _gcd_import
File "", line 971, in _find_and_load
File "", line 955, in _find_and_load_unlocked
File "", line 665, in _load_unlocked
File "", line 678, in exec_module
File "", line 219, in _call_with_frames_removed
File "/data/source_code/openharmony/build/lite/hb_internal/build/build.py", line 21, in
from hb_internal.build.build_process import Build
File "/data/source_code/openharmony/build/lite/hb_internal/build/build_process.py", line 38, in
from hb_internal.preloader.preloader import Preloader
File "/data/source_code/openharmony/build/lite/hb_internal/preloader/preloader.py", line 16, in
from dataclasses import dataclass
ModuleNotFoundError: No module named 'dataclasses'
=====build error=====

【恢复手段】：

【出现概率】：问题出现次数/实际测试次数

【定位信息】：

• 1. Log、截图、多媒体文件等，所有和问题有关的信息：