code: def test_load_numpy2d_univariate(loader):
      """Test that we can load univariate equal length TSC problems into numpy2d."""
      X, y = loader(return_type="numpy2d")
      assert isinstance(X, np.ndarray)
      assert isinstance(y, np.ndarray)
      assert X.ndim == 2
      assert y.ndim == 1
  
imports: import numpy
  import pandas
  import pytest
  from sktime.datasets import load_acsf1, load_arrow_head, load_basic_motions, load_italy_power_demand, load_japanese_vowels, load_osuleaf, load_plaid, load_tecator, load_unit_test
label_desc: Use image node_id 3 for calling a global function with example usage: test_load_numpy2d_univariate(loader) without return types