code: def test_expanding_repr(self):
      self.assertEqual(
          repr(ps.range(10).expanding(5)), "Expanding [min_periods=5]"
      )
  
file_path: spark/python/pyspark/pandas/tests/window/test_expanding.py
imports: import numpy
  import pandas
  import pyspark.pandas
  from pyspark.testing.pandasutils import PandasOnSparkTestCase
label_desc: Use image node_id 1 for calling the ExpandingMixin obj's underlying member method code with example usage: obj.test_expanding_repr() without return types