Skip to content

[3.14] gh-126548: Add a thread-unsafety warning for importlib.reload() (GH-136704) #136723

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ZeroIntensity merged 1 commit into from
Jul 16, 2025
Merged

[3.14] gh-126548: Add a thread-unsafety warning for importlib.reload() (GH-136704) #136723

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions Doc/library/importlib.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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
---------------------------------------------------------------
Expand Down
Loading