.. _abstract-method:

abstract-method / W0223
=======================

**Message emitted:**

``Method %r is abstract in class %r but is not overridden in child class %r``

**Description:**

*Used when an abstract method (i.e. raise NotImplementedError) is not overridden in concrete class.*

**Problematic code:**

``abstract_method.py``:

.. literalinclude:: /data/messages/a/abstract-method/bad/abstract_method.py
    :language: python


``function_raising_not_implemented_error.py``:

.. literalinclude:: /data/messages/a/abstract-method/bad/function_raising_not_implemented_error.py
    :language: python


**Correct code:**

``abstract_method.py``:

.. literalinclude:: /data/messages/a/abstract-method/good/abstract_method.py
    :language: python


``function_raising_not_implemented_error.py``:

.. literalinclude:: /data/messages/a/abstract-method/good/function_raising_not_implemented_error.py
    :language: python






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