cannot install in the environment of python 3.9

[tonydeck0506]

Dear Sirs or Madams,
the installation to the environment of python 3.9 failed. I check your repository at 'https://pypi.tuna.tsinghua.edu.cn/simple/pkuseg/'. It seems that there are no python 3.9 relevant files there. do you have any plan to support python 3.9? I also saw that in other issues, you suggested the file relevant to python 3.9. I cannot find the file.
Your reply is highly appreciated.
Tony

[lcyyyyyyyyyyy]

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[tonydeck0506]

Here is the command you suggested.
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple pkuseg-py39 . But I cannot find the file.
Thanks.
Tony

[frankang]

try this command:
pip3 install --use-deprecated=legacy-resolver -i https://pypi.tuna.tsinghua.edu.cn/simple pkuseg-py39

[tonydeck0506]

HI, Frank,
It works. thanks a lot.

[holymoon2019]

pip3 install --use-deprecated=legacy-resolver -i https://pypi.tuna.tsinghua.edu.cn/simple pkuseg-py39
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting pkuseg-py39
ERROR: HTTP error 404 while getting https://pypi.tuna.tsinghua.edu.cn/packages/d1/5d/712a0ee0fe98008b2b12a981c21a0a8053cb9e9eddd3aaaf0c79dc711847/pkuseg_py39-0.0.25-cp39-cp39-win_amd64.whl#sha256=785563906d6e5739633bf9ba11e05121ac7ff573b86eeec04cd24b258fa492a9 (from https://pypi.tuna.tsinghua.edu.cn/simple/pkuseg-py39/)
ERROR: Could not install requirement pkuseg-py39 from https://pypi.tuna.tsinghua.edu.cn/packages/d1/5d/712a0ee0fe98008b2b12a981c21a0a8053cb9e9eddd3aaaf0c79dc711847/pkuseg_py39-0.0.25-cp39-cp39-win_amd64.whl#sha256=785563906d6e5739633bf9ba11e05121ac7ff573b86eeec04cd24b258fa492a9 because of HTTP error 404 Client Error: Not Found for url: https://pypi.tuna.tsinghua.edu.cn/packages/d1/5d/712a0ee0fe98008b2b12a981c21a0a8053cb9e9eddd3aaaf0c79dc711847/pkuseg_py39-0.0.25-cp39-cp39-win_amd64.whl for URL https://pypi.tuna.tsinghua.edu.cn/packages/d1/5d/712a0ee0fe98008b2b12a981c21a0a8053cb9e9eddd3aaaf0c79dc711847/pkuseg_py39-0.0.25-cp39-cp39-win_amd64.whl#sha256=785563906d6e5739633bf9ba11e05121ac7ff573b86eeec04cd24b258fa492a9 (from https://pypi.tuna.tsinghua.edu.cn/simple/pkuseg-py39/)

[lcyyyyyyyyyyy]

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