code: def get_some_atomized_nodes():
      pipeline = create_pipeline_with_several_nested_atomized_model()
      return [
          node
          for node in pipeline.nodes
          if isinstance(node.operation, AtomizedModel)
      ]
  
imports: import json
  import os
  from functools import reduce
  import numpy
  import pytest
  from sklearn.metrics import mean_squared_error
  from fedot.core.composer.metrics import RMSE
  from fedot.core.data.data import InputData
  from fedot.core.operations.atomized_model import AtomizedModel
  from fedot.core.pipelines.node import PipelineNode
  from fedot.core.pipelines.pipeline import Pipeline
  from fedot.core.utils import fedot_project_root
  from test.integration.utilities.test_pipeline_import_export import create_correct_path, create_func_delete_files
label_desc: Use image node_id 6 for calling a global function with example usage: get_some_atomized_nodes() and returns: unknown