code: import os
  os.environ['TF_CPP_MIN_LOG_LEVEL'] = '3'
  from emtract.model import Model, ModelType
  import pandas as pd
  
  
  class ModelInference:
  
      MODEL_BASE_PATH = 'build/models/'
      DATA_BASE_PATH = './emtract/data/'
  
      def __init__(self, model_type):
          if model_type == 'twitter':
              self.model = Model(ModelType.TWITTER)
          else:
              self.model = Model(ModelType.STOCK_TWITS)
  
      def inference(self, text):
          return self.model.predict([text])
  
      def file_inference(self, file_name, output):
          df = pd.read_csv(file_name, header=None)
          predictions = self.model.predict(df.iloc[:, 0].values)
          predictions.to_csv(output, index=False)
  
apis: pandas.read_csv