code: def test_mod(self):
      pser = pd.Series(
          [100, None, -300, None, 500, -700], name="Koalas"
      )
      psser = ps.from_pandas(pser)
  
      self.assert_eq(psser.mod(-150), pser.mod(-150))
      self.assert_eq(psser.mod(0), pser.mod(0))
      self.assert_eq(psser.mod(150), pser.mod(150))
  
      pdf = pd.DataFrame(
          {"a": [100, None, -300, None, 500, -700], "b": [150] * 6}
      )
      psdf = ps.from_pandas(pdf)
      self.assert_eq(psdf.a.mod(psdf.b), pdf.a.mod(pdf.b))
  
imports: import unittest
  from decimal import Decimal
  import numpy
  import pandas
  from pyspark import pandas
  from pyspark.testing.pandasutils import ComparisonTestBase
  from pyspark.testing.sqlutils import SQLTestUtils
label_desc: Use image node_id 13 for calling the SeriesStatMixin obj's underlying member method code with example usage: obj.test_mod() without return types