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gh-144057: Document caution regarding use of importlib.reload in production code #144080

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gh-144057: Document caution regarding use of importlib.reload in production code #144080

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Document caution regarding use of importlib.reload in production code
whyvineet Jan 20, 2026
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Merge branch 'python:main' into update-docs-importlib
whyvineet Jan 20, 2026
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4 changes: 4 additions & 0 deletions Doc/faq/programming.rst
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Expand Up @@ -2218,6 +2218,10 @@ changed module, do this::
import modname
importlib.reload(modname)

Note that :func:`importlib.reload` was originally designed for use in
development and debugging, not for use in production code. Reloading modules
in a running program is tricky and error-prone.

Warning: this technique is not 100% fool-proof. In particular, modules
containing statements like ::

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