.. _redundant-u-string-prefix: redundant-u-string-prefix / W1406 ================================= **Message emitted:** The u prefix for strings is no longer necessary in Python >=3.0 **Description:** *Used when we detect a string with a u prefix. These prefixes were necessary in Python 2 to indicate a string was Unicode, but since Python 3.0 strings are Unicode by default.* Created by ``string`` checker