Simon Willison’s Weblog

PyPy v5.9 Released, Now Supports Pandas, NumPy. NumPy and Pandas now work on PyPy2.7. “Many other modules based on C-API extensions work on PyPy as well.”

Posted 5th October 2017 at 4:58 pm

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My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
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pandas 16 pypy 9 numpy 5

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