HYTOS

                cursor = conn.cursor()

                """delete stream line which has stream number is given data"""

                sql = "delete from HMB_From_To where Stream_No=?"

                params = (stream_line_list[0],)

                cursor.execute(sql, params)

                """up to here"""

                for stream_line in stream_line_list[1]:

                    sql = f"insert into HMB_From_To(UID,[Drawing_UID],[From_Component_UID],[To_Component_UID],[Stream_No],[Case]) values" \

                          f"(?,?,?,?,?,?)"

                    params = (str(uuid.uuid4()), stream_line[0], stream_line[1], stream_line[2], stream_line[3], stream_line[4])

                    cursor.execute(sql, params)

            except Exception as ex: