.. _too-many-positional-sub-patterns:

too-many-positional-sub-patterns / E1903
========================================

**Message emitted:**

``%s expects %d positional sub-patterns (given %d)``

**Description:**

*Emitted when the number of allowed positional sub-patterns exceeds the number of allowed sub-patterns specified in `__match_args__`.*

**Problematic code:**

.. literalinclude:: /data/messages/t/too-many-positional-sub-patterns/bad.py
   :language: python

**Correct code:**

.. literalinclude:: /data/messages/t/too-many-positional-sub-patterns/good.py
   :language: python



**Related links:**

- `Python documentation <https://docs.python.org/3/reference/compound_stmts.html#class-patterns>`_


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