code: def __init__(
      self,
      db_engine: Engine,
      config: PandasLoaderConfigurations,
      table_to_df_convertor: TableToDfConvertor,
  ) -> None:
      self._db_engine = db_engine
      self._configurations = config
      self._table_to_df_convertor = table_to_df_convertor
  
file_path: superset/tests/example_data/data_loading/pandas/pandas_data_loader.py
imports: from __future__ import annotations
  from abc import ABC, abstractmethod
  from typing import TYPE_CHECKING
  from pandas import DataFrame
  from sqlalchemy.inspection import inspect
  from tests.common.logger_utils import log
  from tests.example_data.data_loading.base_data_loader import DataLoader
label_desc: Use image node_id 1 to create a new PandasDataLoader object from inherited base classes: DataLoader with example: obj = PandasDataLoader(db_engine, config, table_to_df_convertor)