code: def test_isna(data):
      pandas_df = pandas.DataFrame(data)
      modin_df = pd.DataFrame(data)
  
      pandas_result = pandas.isna(pandas_df)
      modin_result = pd.isna(modin_df)
      df_equals(modin_result, pandas_result)
  
      modin_result = pd.isna(pd.Series([1, np.nan, 2]))
      pandas_result = pandas.isna(pandas.Series([1, np.nan, 2]))
      df_equals(modin_result, pandas_result)
  
      assert pd.isna(np.nan) == pandas.isna(np.nan)
  
file_path: ray/python/ray/tests/modin/test_modin.py
imports: import sys
  import pytest
  import pandas
  import numpy
  from numpy.testing import assert_array_equal
  from ray.tests.conftest import ray_start_regular_shared
label_desc: Use image node_id 2 for calling a global function with example usage: test_isna(data) without return types