code: def test_load_from_long_incorrect_format(tmpdir):
      """Test for loading from long with incorrect format."""
      with pytest.raises(ValueError):
          dataframe = generate_example_long_table()
          dataframe.drop(dataframe.columns[[3]], axis=1, inplace=True)
          dataframe_path = tmpdir.join("data.csv")
          dataframe.to_csv(dataframe_path, index=False)
          load_from_long_to_dataframe(dataframe_path)
  
imports: import os
  import tempfile
  import numpy
  import pandas
  import pytest
  from pandas._testing import assert_frame_equal
  import sktime
  from sktime.datasets import generate_example_long_table, load_from_long_to_dataframe, load_from_tsfile, load_from_tsfile_to_dataframe, load_tsf_to_dataframe, write_dataframe_to_tsfile, write_panel_to_tsfile
  from sktime.datasets._data_io import MODULE, _load_provided_dataset
  from sktime.datasets._readers_writers.tsf import _convert_tsf_to_hierarchical
  from sktime.datatypes import check_is_mtype
label_desc: Use image node_id 4 for calling a global function with example usage: test_load_from_long_incorrect_format(tmpdir) without return types