code: def verify_shape(dataset, rows, cols):
      return len(dataset) == rows and all(
          len(row) == cols for row in dataset
      )
  
imports: import pytest
  from darts.utils.model_selection import MODEL_AWARE, SIMPLE, train_test_split
  from darts.utils.timeseries_generation import constant_timeseries
label_desc: Use image node_id 2 for calling a global function with example usage: verify_shape(dataset, rows, cols) and returns: unknown