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导入 Dash 时出错：“导入错误：导入 _brotli 时 DLL 加载失败：找不到指定的模块。”

我正在关注使用 Dash 的教程并尝试在此处找到的示例代码：https : //dash.plotly.com/layout

安装破折号并运行代码后，我在回溯中收到以下错误消息：

Traceback (most recent call last):
  File "app_example.py", line 7, in <module>
    import dash
  File "C:\Users\lizsc\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\dash\__init__.py", line 1, in <module>
    from .dash import Dash, no_update  # noqa: F401
  File "C:\Users\lizsc\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\dash\dash.py", line 18, in <module>
    from flask_compress import Compress
  File "C:\Users\lizsc\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\flask_compress.py", line 10, in <module>
    import brotli
  File "C:\Users\lizsc\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\brotli.py", line 8, in <module>
    import _brotli
ImportError: DLL load failed while importing _brotli: The specified module could not be found.

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我使用的是 Windows 10，Python 3.8.5。以下是我迄今为止根据网络搜索结果建议尝试的修复方法：