[doc][misc] bump up py version in installation doc #6119
Merged
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many people (including me) just copy-paste the command from doc. we should recommend the most extensively tested python version (python 3.10, used in ci), so that users' environment is more aligned with our ci, and we can catch more bugs there.
in addition, pipeline parallel currently requires python 3.10, as there are some more work to do to support python 3.8/3.9 in terms of asyncio default event loop.
@andoorve is trying to fix it. orthogonally, we can bump up the recommended python version so that users have better experience with pipeline parallel.