PythonPythonError code

PythonFinalizationError

What does this code mean?

Code PythonFinalizationError · An issue reported by Python.

Official explanation · Original text

This exception is derived from RuntimeError. It is raised when an operation is blocked during interpreter shutdown also known as Python finalization. Examples of operations which can be blocked with a PythonFinalizationError during the Python finalization: See also the sys.is_finalizing() function.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Code reference
Official exception and warning descriptions ↗
Definition and explanation · Not troubleshooting steps
General diagnostic guide
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Source and terms of use

Built-in Exceptions — Python 3.15.2 documentation ↗

Creator: Python Software Foundation
License: Python Software Foundation License Version 2
Checked on: 2026-11-12

Modifications: English prose extracted; whitespace normalized; Korean context and classified official links added. Python code examples not redistributed.

Source details · Original licenses and notices

PythonFinalizationError