code: def generate_pipeline() -> Pipeline:
      node_scaling = PipelineNode("scaling")
      node_first = PipelineNode("kmeans", nodes_from=[node_scaling])
      node_second = PipelineNode("rf", nodes_from=[node_scaling])
      node_third = PipelineNode("linear", nodes_from=[node_scaling])
      node_root = PipelineNode(
          "logit",
          nodes_from=[
              node_first,
              node_second,
              node_third,
              node_scaling,
          ],
      )
  
      return Pipeline(node_root)
  
file_path: FEDOT/examples/simple/pipeline_visualization.py
imports: from golem.core.log import default_log
  from fedot.core.pipelines.node import PipelineNode
  from fedot.core.pipelines.pipeline import Pipeline
  from fedot.core.pipelines.pipeline_builder import PipelineBuilder
label_desc: Use image node_id 1 for calling a global function with example usage: generate_pipeline() and returns: Pipeline