code: def pser(self):
      sparse_values = {0: 0.1, 1: 1.1}
      return pd.Series(
          [SparseVector(len(sparse_values), sparse_values)]
      )
  
imports: import pandas
  import pyspark.pandas
  from pyspark.ml.linalg import SparseVector
  from pyspark.testing.pandasutils import PandasOnSparkTestCase
  from pyspark.pandas.tests.data_type_ops.testing_utils import OpsTestBase
label_desc: Use image node_id 1 for calling the UDTOpsTestsMixin obj's underlying member method code with example usage: obj.pser() and returns: pd