code: def tearDownClass(cls):
      try:
          cls.spark.conf.unset(
              "spark.sql.execution.pythonUDTF.arrow.enabled"
          )
      finally:
          super(ArrowUDTFParityTests, cls).tearDownClass()
  
imports: import unittest
  from pyspark.testing.connectutils import should_test_connect
  from pyspark.sql.connect.functions import lit, udtf
  from pyspark.sql.tests.test_udtf import BaseUDTFTestsMixin, UDTFArrowTestsMixin
  from pyspark.testing.connectutils import ReusedConnectTestCase
  from pyspark.errors.exceptions.connect import SparkConnectGrpcException
label_desc: Use image node_id 2 for calling the ArrowUDTFParityTests obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types