class_docstr: Pipeline wrapper with 'export_pipeline'/'import_pipeline' methods
  allowing user to upload a pipeline to JSON format and import it from JSON.
  
  :params pipeline: Pipeline object to export or empty Pipeline to import
class_docstr_tok: ["Pipeline","wrapper","with","'export_pipeline'\/'import_pipeline","'","methods","allowing","user","to","upload","a","pipeline","to","JSON","format","and","import","it","from","JSON",".",":","params","pipeline",":","Pipeline","object","to","export","or","empty","Pipeline","to","import"]
code: def _is_nested_path(path):
      return path.find("nested") == -1
  
imports: import json
  import os
  from collections import Counter
  from datetime import datetime
  from io import BytesIO
  from typing import TYPE_CHECKING, Any, Callable, Dict, List, Optional, Tuple, Union
  from uuid import uuid4
  import joblib
  import numpy
  from golem.core.log import default_log
  from fedot.core.operations.atomized_template import AtomizedModelTemplate
  from fedot.core.operations.operation_template import OperationTemplate, check_existing_path
  from fedot.core.pipelines.node import PipelineNode
  from fedot.core.repository.operation_types_repository import atomized_model_type
  from fedot.preprocessing.dummy_preprocessing import DummyPreprocessor
  from fedot.preprocessing.preprocessing import DataPreprocessor
label_desc: Use image node_id 8 for calling the PipelineTemplate obj's underlying member method code with example usage: obj._is_nested_path(path) and returns: unknown