text: import os
  import pickle
  
  
  class TrainedDataSerializer:
      # Save the data for easy access
      @staticmethod
      def save_data(
              data,
              pickle_file='trafficsigns_trained.pickle',
              overwrite=False
      ):
          pickle_file = os.path.join(os.path.dirname(__file__), '..', 'data', pickle_file)
          os.makedirs(os.path.dirname(pickle_file), exist_ok=True)
          if overwrite or not os.path.isfile(pickle_file):
              print('Saving data to pickle file...')
              try:
                  with open(pickle_file, 'wb') as pfile:
                      pickle.dump(
                          data,
                          pfile, pickle.HIGHEST_PROTOCOL)
              except Exception as e:
                  print('Unable to save data to', pickle_file, ':', e)
                  raise
          else:
              print('WARNING: {} already exists.'.format(pickle_file))
  
          print('Data cached in pickle file.')
  
      @staticmethod
      def reload_data(pickle_file='trafficsigns_trained.pickle'):
          pickle_file = os.path.join(os.path.dirname(__file__), '..', 'data', pickle_file)
          os.makedirs(os.path.dirname(pickle_file), exist_ok=True)
          # Reload the data
          with open(pickle_file, 'rb') as f:
              pickle_data = pickle.load(f)
          print('Data and modules loaded from pickle file.')
          return pickle_data
  