input: from typing import List
  
  def convert_sql_to_dataframe(sql_query: str, conn) -> pd.DataFrame:
      """ Convert a given SQL statement into a Python Pandas DataFrame.
      >>> convert_sql_to_dataframe("SELECT * FROM book;", conn)
      (pd.DataFrame content)
      """
  
      import pandas as pd
      df = pd.read_sql_query(sql_query, conn)
      return df
output:     import pandas as pd
      df = pd.read_sql_query(sql_query, conn)
      return df