code: def test_sample_none_weights(self, obj):
      # Check None are also replaced by zeros.
      weights_with_None = [None] * 10
      weights_with_None[5] = 0.5
      tm.assert_equal(
          obj.sample(n=1, axis=0, weights=weights_with_None),
          obj.iloc[5:6],
      )
  
imports: import numpy
  import pytest
  from pandas import DataFrame, Index, Series
  import pandas._testing
  import pandas.core.common
label_desc: Use image node_id 13 for calling the TestSample obj's underlying member method code with example usage: obj.test_sample_none_weights(obj) without return types