[CodeStyle][UP009] mv unnecessary utf8 declaration #52050
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#51729 case 9
UP0009删除了不必要的utf8声明
# -*- coding: utf-8 -*-
。在py2中,默认在包含中文时使用gbk编码,需要在头部指定# -- coding: utf-8 --。在py3中默认使用utf8编码,不维护py2后,则无需这段描述。