关于protobuf报错：If this call came from a _pb2.py file, your generated code is out of date and must be r

 在处理数据集训练神经网路时，运到protoc版本相关的报错，If this call came from a _pb2.py file, your generated code is out of date and must be regenerated with protoc >= 3.19.0. 

解决方法：将protobuf 4.21.1版本降级到3.20.x，通常即可解决问题。

标签：3.19,protoc,regenerated,code,报错,file
来源： https://www.cnblogs.com/booturbo/p/16339195.html