From 9ab8ae3e2cab5c8edca091808e9a92449cfc67c9 Mon Sep 17 00:00:00 2001 From: bswck Date: Wed, 16 Jul 2025 10:12:47 +0200 Subject: [PATCH] Add a thread-unsafety warning for `importlib.reload()` --- Doc/library/importlib.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst index ea5a77028683b3..4f374be778d6b3 100644 --- a/Doc/library/importlib.rst +++ b/Doc/library/importlib.rst @@ -206,6 +206,10 @@ Functions :exc:`ModuleNotFoundError` is raised when the module being reloaded lacks a :class:`~importlib.machinery.ModuleSpec`. + .. warning:: + This function is not thread-safe. Calling it from multiple threads can result + in unexpected behavior. It's recommended to use the :class:`threading.Lock` + or other synchronization primitives for thread-safe module reloading. :mod:`importlib.abc` -- Abstract base classes related to import ---------------------------------------------------------------