wrgoldstein/multiple_python_versions.md

Created January 4, 2022 18:56

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Sometimes in a large project you may have many scripts using the same python package, and want to upgrade that package for only some of them.

PIP makes this easy: install the older (or newer) version in its own directory, and import it explicitly.

pip install -r requirements-prev.txt --target prev

from prev import pandas as pd

voila

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