.. _invalid-slots:

invalid-slots / E0238
=====================

**Message emitted:**

``Invalid __slots__ object``

**Description:**

*Used when an invalid __slots__ is found in class. Only a string, an iterable or a sequence is permitted.*

**Problematic code:**

.. literalinclude:: /data/messages/i/invalid-slots/bad.py
   :language: python

**Correct code:**

.. literalinclude:: /data/messages/i/invalid-slots/good.py
   :language: python





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