class_docstr: Unit tests for the SmartDatlake class
code: def test_validate_false_direct_sql_with_connector(
      self, llm, sql_connector
  ):
      # not exception is raised using single connector
      SmartDatalake(
          [sql_connector],
          config={
              "llm": llm,
              "enable_cache": False,
              "direct_sql": False,
          },
      )
  
imports: import os
  import sys
  from typing import Optional
  from unittest.mock import Mock, patch
  import pandas
  import pytest
  from pandasai import SmartDataframe, SmartDatalake
  from pandasai.connectors.base import SQLConnectorConfig
  from pandasai.connectors.sql import PostgreSQLConnector, SQLConnector
  from pandasai.helpers.code_manager import CodeManager
  from pandasai.llm.fake import FakeLLM
  from pandasai.constants import DEFAULT_FILE_PERMISSIONS
  from langchain import OpenAI
label_desc: Use image node_id 16 for calling the TestSmartDatalake obj's underlying member method code with example usage: obj.test_validate_false_direct_sql_with_connector(llm, sql_connector) without return types