code: def get_pipeline():
      knn_node = PipelineNode("knn")
      lda_node = PipelineNode("qda")
      rf_node = PipelineNode("rf")
  
      final = PipelineNode(
          "rf", nodes_from=[knn_node, lda_node, rf_node]
      )
  
      pipeline = Pipeline(final)
  
      return pipeline
  
file_path: FEDOT/test/sensitivity/test_sensitivity.py
imports: import os
  from unittest.mock import patch
  from cases.data.data_utils import get_scoring_case_data_paths
  from fedot.core.data.data import InputData
  from fedot.core.pipelines.node import PipelineNode
  from fedot.core.pipelines.pipeline import Pipeline
  from fedot.structural_analysis.operations_hp_sensitivity.multi_operations_sensitivity import MultiOperationsHPAnalyze
label_desc: Use image node_id 2 for calling a global function with example usage: get_pipeline() and returns: pipeline