Rename self.local_data to self._local_data in class DataGenerator.
Rename self.local_data to self._local_data in class DataGenerator.

kuke/models,xinghai-sun/models,Superjom/models-1,qingqing01/models,lcy-seso/models,qingqing01/models,Superjom/models-1,PaddlePaddle/models,PaddlePaddle/models,xinghai-sun/models,qingqing01/models,xinghai-sun/models,Superjom/models-1,kuke/models,PaddlePaddle/models,xinghai-sun/models,lcy-seso/models,kuke/models,lcy-seso/models,kuke/models