code: def test_plot_series_invalid_marker_kwarg_len_raises_error(
      series_to_plot,
  ):
      """Tests whether plot_series raises error for inconsistent series/markers."""
      match = """There must be one marker for each time series,
                  but found inconsistent numbers of series and
                  markers."""
      with pytest.raises(ValueError, match=match):
          # Generate error by creating list of markers with length that does
          # not match input number of input series
          if isinstance(series_to_plot, pd.Series):
              markers = ["o", "o"]
          elif isinstance(series_to_plot, tuple):
              markers = ["o" for _ in range(len(series_to_plot) - 1)]
  
          _plot_series(series_to_plot, markers=markers)
  
imports: import re
  import numpy
  import pandas
  import pytest
  from sktime.datasets import load_airline
  from sktime.tests.test_switch import run_test_for_class
  from sktime.utils.plotting import plot_correlations, plot_lags, plot_series
  from sktime.utils.validation._dependencies import _check_soft_dependencies
  from sktime.utils.validation.series import VALID_DATA_TYPES
label_desc: Use image node_id 6 for calling a global function with example usage: test_plot_series_invalid_marker_kwarg_len_raises_error(series_to_plot) without return types