Python 我使用 Jupyter Notebook 制作了一个模型，然后我try 使用 streamlit 部署模型，但它显示 ModuleNotFoundError

我创建了一个模型，并使用Streamlight进行了部署.我在一个虚拟环境中运行，尽管运行pip安装Streamlight，但它仍然不工作.将显示以下错误

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显示的错误是这样的

Traceback (most recent call last):
  File "C:\Python39\lib\runpy.py", line 197, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "C:\Python39\lib\runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "D:\Machine Learning\sms-spam-classifier\venv\Scripts\streamlit.exe\__main__.py", line 4, in <module>
  File "d:\machine learning\sms-spam-classifier\venv\lib\site-packages\streamlit\__init__.py", line 70, in <module>
    from streamlit.delta_generator import DeltaGenerator as _DeltaGenerator
  File "d:\machine learning\sms-spam-classifier\venv\lib\site-packages\streamlit\delta_generator.py", line 90, in <module>
    from streamlit.elements.arrow_altair import ArrowAltairMixin
  File "d:\machine learning\sms-spam-classifier\venv\lib\site-packages\streamlit\elements\arrow_altair.py", line 35, in <module>
    from altair.vegalite.v4.api import Chart
ModuleNotFoundError: No module named 'altair.vegalite.v4'
PS D:\Machine Learning\sms-spam-classifier>