def convert_data_to_examples(train, test, review, sentiment):
train_InputExamples = train.apply(lambda x: InputExample(guid=None, # Globally unique ID for bookkeeping, unused in this case
text_a = x[review],
label = x[sentiment]), axis = 1)
validation_InputExamples = test.apply(lambda x: InputExample(guid=None, # Globally unique ID for bookkeeping, unused in this case
text_a = x[review],
label = x[sentiment]), axis = 1,)
return train_InputExamples, validation_InputExamples
train_InputExamples, validation_InputExamples = convert_data_to_examples(train, test, 'review', 'sentiment')
NameError:未定义名称“InputExample”
运行这部分代码后,它会出错。请告诉我如何解决这个错误。