hot reload post_login

login = requests.session()

def hot_load(module_name):

    module = __import__(module_name)

    import importlib

    # A bug of Python3.6- See https://github.com/python/cpython/pull/972

    if importlib._bootstrap._find_spec(module_name, None, module) is None:

        raise ModuleNotFoundError(f"spec not found for the module {module_name!r}", name=module_name)

    importlib.reload(module)

    return module

def do_login(url, username, password):

    soup_login = BeautifulSoup(login.get(url).content, 'html5lib')

    logger.info('Start to get login information')

                    # define the orperation after login

                    try:

                        __import__("post_login").run()

                        hot_load("post_login").run()

                    except ModuleNotFoundError:

                        pass

                    except Exception as e: