redundant-u-string-prefix / W1406#
The u prefix for strings is no longer necessary in Python >=3.0
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.
def print_fruit(): print(u"Apple") # [redundant-u-string-prefix]
def print_fruit(): print("Apple")
Created by the string checker.