Pandas reads MySQL data

def get_data():
	conn = pymysql.connect(host=RSYS_HOST,
                       port=RSYS_PORT,
                       user=RSYS_USER,
                       passwd=RSYS_PASSWORDD,
                       db=RSYS_DB_NAME,
                       charset='utf8')
    results = None
    try:
        read_result = pd.read_sql(sql, conn)
        result_json = json.loads(read_result.reset_index().to_json(orient='records', force_ascii=False))
        logger.info(sql)
        return result_json
    except Exception as e:
        #  Rollback on error 
        logger.error("Error: unable to fecth data: %s,%s" % (repr(e), sql))
        conn.rollback()
    finally:
        conn.close()

    return results