In decode return codecs charmap decode. Codec can't decode byte 0x98 in position. знегиу 'charmap' codec can't encode characters in position 0-7: character maps to <undefined>. unicodedecodeerror: 'charmap' codec can't decode byte 0x98 in position 4: character maps to <undefined>. unicodedecodeerror: 'charmap' codec can't decode byte 0x81 in position 16: character maps to <undefined>.