PythonPythonWarning or status code

DeprecationWarning

What does this code mean?

Code DeprecationWarning · An issue reported by Python.

This entry includes warnings or status values that are not errors. Check the original documentation for the conditions under which they are returned.

Official explanation · Original text

Base class for warnings about deprecated features when those warnings are intended for other Python developers. Ignored by the default warning filters, except in the __main__ module (PEP 565). Enabling the Python Development Mode shows this warning. The deprecation policy is described in PEP 387.

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
Read exception tracebacks and handle exceptions ↗
Product-wide · Not specific to this code

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

DeprecationWarning