Charmap codec can t decode byte. 'utf-8' codec can't decode byte 0x89 in position 0: invalid start byte. 'utf-8' codec can't decode bytes in position 15-16: invalid continuation byte. unicodedecodeerror: 'utf-8' codec can't decode byte 0x8f in position 2: invalid start byte. charmap codec can't decode byte 0x98 in position 508.