Traceback (most recent call last):
File "ProductionRules.py", line 3, in <module>
File "zipextimporter.pyo", line 82, in load_module
File "nltk\__init__.pyo", line 40, in <module>
TypeError: unsupported operand type(s) for +=: 'NoneType' and 'str'
在转换为exe之前运行“ProductionRules.py”时,不会发生此错误。 我该怎么办 ? 请帮帮我。