class_docstr: Unit tests for the base LLM class
code: def test_is_pandasai_llm(self):
      assert LLM().is_pandasai_llm() is True
  
file_path: pandas-ai/tests/llms/test_base_llm.py
imports: import pytest
  from pandasai.exceptions import APIKeyNotFoundError
  from pandasai.llm import LLM
label_desc: Use image node_id 2 for calling the TestBaseLLM obj's underlying member method code with example usage: obj.test_is_pandasai_llm() without return types