code: def test_aggr():
      """Test that AggrDist produces expected pre-computed result on fixtures."""
      # test 3d numpy
      _run_aggr_dist_test(X1_num_pan, X2_num_pan)
  
      # test list of df
      _run_aggr_dist_test(X1_list_df, X2_list_df)
  
imports: import numpy
  from sktime.datatypes import convert_to
  from sktime.dists_kernels.compose_tab_to_panel import AggrDist
  from sktime.dists_kernels.scipy_dist import ScipyDist
  from sktime.registry import all_estimators
  from sktime.utils._testing.panel import make_transformer_problem
label_desc: Use image node_id 1 for calling a global function with example usage: test_aggr() without return types