gb2312 codec cant decode byte 0xef in position

解码错误。‘gb2312‘ codec can‘t decode byte 0xf3 in position 307307: illegal multibyte sequence
'gb2312' codec can't decode byte 0xef in position
 
一般在decode加errors="ignore"就可以了。例如：

decode('gb2312',errors = 'ignore')
decode('utf-8','ignore')