.. _anomalous-unicode-escape-in-string:

anomalous-unicode-escape-in-string / W1402
==========================================

**Message emitted:**

``Anomalous Unicode escape in byte string: '%s'. String constant might be missing an r or u prefix.``

**Description:**

*Used when an escape like \u is encountered in a byte string where it has no effect.*

**Problematic code:**

.. literalinclude:: /data/messages/a/anomalous-unicode-escape-in-string/bad.py
   :language: python

**Correct code:**

.. literalinclude:: /data/messages/a/anomalous-unicode-escape-in-string/good.py
   :language: python





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