code: def test_neg(self):
      self.assertRaises(TypeError, lambda: -self.psser)
  
imports: import datetime
  import pandas
  from pandas.api.types import CategoricalDtype
  from pyspark import pandas
  from pyspark.testing.pandasutils import PandasOnSparkTestCase
  from pyspark.pandas.tests.data_type_ops.testing_utils import OpsTestBase
label_desc: Use image node_id 27 for calling the DateOpsTestsMixin obj's underlying member method code with example usage: obj.test_neg() without return types