code: def test_mixing_series_frame_error():
      nelem = 20
  
      df = gd.DataFrame()
      df["x"] = np.arange(nelem)
      df["y"] = np.random.randint(nelem, size=nelem)
  
      ddf = dgd.from_cudf(df, npartitions=5)
  
      delay_frame = ddf.to_delayed()
      delay_series = ddf.x.to_delayed()
      combined = dgd.from_delayed(delay_frame + delay_series)
  
      with pytest.raises(ValueError) as raises:
          combined.compute()
  
      raises.match(r"^Metadata mismatch found in `from_delayed`.")
  
file_path: cudf/python/dask_cudf/dask_cudf/tests/test_delayed_io.py
imports: import numpy
  import pytest
  from pandas.testing import assert_frame_equal
  from dask.delayed import delayed
  import cudf
  import dask_cudf
label_desc: Use image node_id 7 for calling a global function with example usage: test_mixing_series_frame_error() without return types