code: def test_local_checkpoint(self):
      psdf = ps.DataFrame({"a": ["a", "b", "c"]})
      new_psdf = psdf.spark.local_checkpoint()
      self.assert_eq(psdf, new_psdf)
  
file_path: spark/python/pyspark/pandas/tests/test_frame_spark.py
imports: import os
  import pandas
  from pyspark import pandas
  from pyspark.testing.pandasutils import PandasOnSparkTestCase, TestUtils
  from pyspark.testing.sqlutils import SQLTestUtils
label_desc: Use image node_id 6 for calling the SparkFrameMethodsTestsMixin obj's underlying member method code with example usage: obj.test_local_checkpoint() without return types