Created by: appleappleorange

File "C:\Users\11856\AppData\Roaming\Python\Python37\site-packages\paddle\utils\plot.py", line 75, in append assert isinstance(title, basestring) NameError: name 'basestring' is not defined 我看了源代码，plot.py文件中'basestring'确实只出现过一次，没有定义过，是否是源码有问题？