docs: def ndarray_to_list_in_structure(item, squeeze=True):
      """ Change ndarray in structure of lists and dicts into lists.
      """
      tp = type(item)
  
      if tp == np.ndarray:
          if squeeze:
              item = item.squeeze()
          item = item.tolist()
      elif tp == list:
          for i in range(len(item)):
              item[i] = ndarray_to_list_in_structure(item[i])
      elif tp == dict:
          for lab in item:
              item[lab] = ndarray_to_list_in_structure(item[lab])
  
      return item