def set_client():
    username = 'abc'
    password = '123'


    api = APIClient(username, password)
    return api

def get_client(api):
    api = set_client(api)
    if not api.session_token:
        api.login()
    return api

@shared_task()
def mb_account_bal():

    api = get_client(api)
    r = api.account.get_account(balance_only=True)