code: def test_get_nan(float_numpy_dtype):
      # GH 8569
      s = Index(range(10), dtype=float_numpy_dtype).to_series()
      assert s.get(np.nan) is None
      assert s.get(np.nan, default="Missing") == "Missing"
  
file_path: pandas/pandas/tests/series/indexing/test_get.py
imports: import numpy
  import pytest
  import pandas
  from pandas import DatetimeIndex, Index, Series, date_range
  import pandas._testing
label_desc: Use image node_id 2 for calling a global function with example usage: test_get_nan(float_numpy_dtype) without return types