def string_camelcase(string):
    return CAMELCASE_INVALID_CHARS.sub('', string.title())
DoExpressCheckoutPayment
dataset/ETHPy150Open wcong/ants/ants/utils/template.py/string_camelcase--crossover with--dataset/ETHPy150Open django-oscar/django-oscar-paypal/paypal/express/gateway.py/do_txn