code: def code_manager(self, smart_dataframe: SmartDataframe):
      return smart_dataframe.lake._code_manager
  
imports: from typing import Optional
  from unittest.mock import MagicMock, Mock, patch
  import uuid
  import pandas
  import pytest
  from pandasai.agent import Agent
  from pandasai.helpers.code_manager import CodeExecutionContext, CodeManager
  from pandasai.helpers.skills_manager import SkillsManager
  from pandasai.llm.fake import FakeLLM
  from pandasai.skills import skill, Skill
  from pandasai.smart_dataframe import SmartDataframe
label_desc: Use image node_id 4 for calling the TestSkills obj's underlying member method code with example usage: obj.code_manager(smart_dataframe) and returns: smart_dataframe