code: def test_empty_dataframe():
      df = DataFrame()
      arr = np.asarray(df)
      assert arr.flags.writeable is True
  
file_path: pandas/pandas/tests/copy_view/test_array.py
imports: import numpy
  import pytest
  from pandas import DataFrame, Series, date_range
  import pandas._testing
  from pandas.tests.copy_view.util import get_array
label_desc: Use image node_id 10 for calling a global function with example usage: test_empty_dataframe() without return types