.. _invalid-match-args-definition:

invalid-match-args-definition / E1902
=====================================

**Message emitted:**

```__match_args__` must be a tuple of strings.``

**Description:**

*Emitted if `__match_args__` isn't a tuple of strings required for match.*

**Problematic code:**

.. literalinclude:: /data/messages/i/invalid-match-args-definition/bad.py
   :language: python

**Correct code:**

.. literalinclude:: /data/messages/i/invalid-match-args-definition/good.py
   :language: python



**Related links:**

- `Python documentation <https://docs.python.org/3/reference/datamodel.html#customizing-positional-arguments-in-class-pattern-matching>`_


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