Traceback (most recent call last): File "D:\Python38\lib\site-packages\pytools\__init__.py", line 44, in <module> from typing import SupportsIndex, Concatenate ImportError: cannot import name 'Concatenate' from 'typing' (D:\Python38\lib\typing.py) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "<pyshell#24>", line 1, in <module> from pycuda.compiler import SourceModule File "D:\Python38\lib\site-packages\pycuda\compiler.py", line 1, in <module> from pytools import memoize File "D:\Python38\lib\site-packages\pytools\__init__.py", line 46, in <module> from typing_extensions import SupportsIndex, Concatenate ImportError: cannot import name 'Concatenate' from 'typing_extensions' (D:\Python38\lib\site-packages\typing_extensions.py)

如果更新 `typing` 模块后仍然出现 `ImportError: cannot import name 'Concatenate'` 错误，可能需要升级 PyCUDA。最新的 PyCUDA 已经支持 Python 3.9，并且解决了 `typing` 模块的兼容性问题。可以使用以下命令升级 PyCUDA：

pip install --upgrade pycuda

如果升级 PyCUDA 后仍然无法解决问题，请检查你的 Python 版本是否过低，建议升级到 Python 3.9。