华为Neptune开发板环境配置好了，但是运行python3 build.py w800这个命令的时候提示错误

华为Neptune开发板环境配置好了，但是运行python3 build.py w800这个命令的时候提示错误。

Traceback (most recent call last):
  File "build/lite/hb/__main__.py", line 85, in <module>
    sys.exit(main())
  File "build/lite/hb/__main__.py", line 64, in main
    module = importlib.import_module('.{}'.format(each.get('name')),
  File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 848, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/root/HarmonyOS/neptune-harmony-os1.1-iot-master/build/lite/hb/build/build.py", line 21, in <module>
    from hb.build.build_process import Build
  File "/root/HarmonyOS/neptune-harmony-os1.1-iot-master/build/lite/hb/build/build_process.py", line 28, in <module>
    from hb.cts.cts import CTS
  File "/root/HarmonyOS/neptune-harmony-os1.1-iot-master/build/lite/hb/cts/cts.py", line 32, in <module>
    from hb.cts.common import check_path
  File "/root/HarmonyOS/neptune-harmony-os1.1-iot-master/build/lite/hb/cts/common.py", line 26, in <module>
    from prompt_toolkit.styles import style_from_dict
ModuleNotFoundError: No module named 'prompt_toolkit'

可以帮忙看看是怎么回事，这是我遇到的门槛 不知道怎么解决。
我现在在搞毕业设计，光是搞环境搞了三天左右了，希望大家能够帮我看看怎么解决这个问题？