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Migrating codebases with millions of modules from Python 2 to Python 3


This has been mitigated with tooling and education, but for the most part it requires human action and decision. While most codebases have somewhere between tens and thousands of Python modules, some companies may maintain a codebase with millions of modules. This presentation covers techniques and tooling that Google created to enable the developers to scope their migration needs, plan the work required, execute effectively at scale and collaborate across teams/dependencies.

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