.. _deprecated-class:

deprecated-class / W4904
========================

**Message emitted:**

``Using deprecated class %s of module %s``

**Description:**

*The class is marked as deprecated and will be removed in the future.*

**Problematic code:**

.. literalinclude:: /data/messages/d/deprecated-class/bad.py
   :language: python

**Correct code:**

.. literalinclude:: /data/messages/d/deprecated-class/good.py
   :language: python


**Additional details:**

The actual replacement needs to be studied on a case by case basis
by reading the deprecation warning or the release notes.



Created by the `stdlib <https://github.com/pylint-dev/pylint/blob/main/pylint/checkers/stdlib.py>`__ checker.