code: def test_timetz(self):
      with self.assertRaises(NotImplementedError):
          self.check_func(lambda x: x.dt.timetz)
  
imports: import datetime
  import unittest
  import numpy
  import pandas
  from pyspark import pandas
  from pyspark.testing.pandasutils import PandasOnSparkTestCase
  from pyspark.testing.sqlutils import SQLTestUtils
label_desc: Use image node_id 12 for calling the SeriesDateTimeTestsMixin obj's underlying member method code with example usage: obj.test_timetz() without return types