code: def test_nan_as_null():
      table = pa.table({"a": [1, 2, 3, 4]})
      with pytest.raises(RuntimeError):
          table.__dataframe__(nan_as_null=True)
  
imports: from datetime import datetime
  import numpy
  import pyarrow
  from pyarrow.vendored.version import Version
  import pytest
  import pyarrow.interchange
  from pyarrow.interchange.column import _PyArrowColumn, ColumnNullType, DtypeKind
  from pyarrow.interchange.from_dataframe import _from_dataframe
label_desc: Use image node_id 15 for calling a global function with example usage: test_nan_as_null() without return types