def error_if(*args, **kw):
if 'preapprovalKey' in args[1]:
raise paypal.PreApprovalError('some error')
raise paypal.PaypalError('other error')
def error_if(*args, **kw):
if 'preapprovalKey' in args[1]:
raise paypal.PreApprovalError('some error')
return {'payKey': '123', 'paymentExecStatus': ''}