code: def test_concat_elements_raise():
      s = cudf.Series([[1, 2, 3]])  # no nesting
      with pytest.raises(ValueError):
          s.list.concat()
  
imports: import functools
  import operator
  import numpy
  import pandas
  import pyarrow
  import pytest
  import cudf
  from cudf import NA
  from cudf._lib.copying import get_element
  from cudf.api.types import is_scalar
  from cudf.testing._utils import DATETIME_TYPES, NUMERIC_TYPES, TIMEDELTA_TYPES, assert_eq
label_desc: Use image node_id 28 for calling a global function with example usage: test_concat_elements_raise() without return types