UnicodeDecodeError：“ charmap”编解码器无法解码位置11的字节0x8d：字符映射为<undefined>

Question

我有utf 8编码的文本文件..并且我正在处理spacy 当我输入这个

nlp = spacy.load('en')
doc = nlp(open("textd.txt").read().decode('utf8'))

我收到此错误

UnicodeDecodeError: 'charmap' codec can't decode byte 0x8d in position 11: character maps to <undefined>