code: def test_lag_inflation(self):
      print("-" * 80)
      logger.info("test_lag_inflation\n" + "-" * 80 + "\n")
      # model without lag inflation
      logger.info("Training model...\n")
      self.model.train(self.vals_train)
      model = ZMS(ZMSConfig(lag_inflation=0.0))
      model.train(self.vals_train)
      scores1, scores2 = [
          m.get_anomaly_score(self.vals_test).to_pd().values
          for m in (model, self.model)
      ]
      self.assertNotEqual(list(scores1), list(scores2))
  
file_path: merlion/tests/anomaly/test_zms.py
imports: import logging
  from os.path import abspath, dirname, join
  import sys
  import unittest
  from merlion.models.anomaly.zms import ZMS, ZMSConfig
  from merlion.post_process.threshold import AggregateAlarms
  from merlion.utils.data_io import csv_to_time_series
label_desc: Use image node_id 2 for calling the TestZMS obj's underlying member method code with example usage: obj.test_lag_inflation() without return types