Get exception line number

exception.py

import sys
import traceback

try:
    exec(open('error.py').read())
except Exception as e:
    exc_type, ex, tb = sys.exc_info()
    imported_tb_info = traceback.extract_tb(tb)[-1]
    line_number = imported_tb_info[1]
    print('{}: Exception in line: {}, message: {}'.format(exc_type.__name__, line_number, ex))