code: def get_df(file_name: str, dtype: dict = None) -> pd.DataFrame:
      return pd.read_csv(TEST_DATA_PATH / file_name, dtype=dtype)
  
imports: from pathlib import Path
  import pandas
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: get_df(file_name, dtype) and returns: pd