“bcf7c36b0b3d62caeea351d9905ac901cb7a1f26”上不存在“python/paddle/v2/dataset/tests/test_sentiment.py”
* Chage `IndicateDataType` to `GetKernelType`. Make it easier to understand. * Change `OpKernelKey` to `OpKernelType` * Make operator developers can customize which kernel the operator will use in runtime.