code: def test_interpolate_corners(self, kwargs):
      s = Series([np.nan, np.nan])
      tm.assert_series_equal(s.interpolate(**kwargs), s)
  
      s = Series([], dtype=object).interpolate()
      tm.assert_series_equal(s.interpolate(**kwargs), s)
  
imports: import numpy
  import pytest
  import pandas.util._test_decorators
  import pandas
  from pandas import Index, MultiIndex, Series, date_range, isna
  import pandas._testing
label_desc: Use image node_id 9 for calling the TestSeriesInterpolateData obj's underlying member method code with example usage: obj.test_interpolate_corners(kwargs) without return types