input: from typing import List
  
  
  def sql_to_dataframe(sql_query: str, conn) -> pd.DataFrame:
      """Convert a given SQL statement into a Python Pandas DataFrame.
      >>> sql_to_dataframe("SELECT * FROM book;", conn)
        id title  author  published_year
      0  1  Book1  Author1          2000
      1  2  Book2  Author2          1995
      """
      import pandas as pd
      return pd.read_sql_query(sql_query, conn)
output:     import pandas as pd
      return pd.read_sql_query(sql_query, conn)