_ProductAndQuantity = namedtuple("ProductAndQuantity", ["product", "quantity"])

class ProductAndQuantity(_ProductAndQuantity):

    ''' Class that holds a product and a quantity.

        super(RegistrationCartTestCase, self).setUp()

    def tearDown(self):

            # If you're seeing segfaults in tests, enable this.

                reset_sequences=False,

                allow_cascade=False,

        super(RegistrationCartTestCase, self).tearDown()

            password='top_secret')

        attendee1 = people.Attendee.get_instance(cls.USER_1)

            attendee=attendee1,

        )

        attendee2 = people.Attendee.get_instance(cls.USER_2)

            attendee=attendee2,

        )

from django.core.exceptions import ObjectDoesNotExist

from django.core.exceptions import ValidationError

from django.http import Http404

from django.shortcuts import redirect

from django.shortcuts import render

        user__attendee__access_code=access_code,

    ).order_by("-issue_time")

    if not invoices:

        raise Http404()

    ''' Returns true if the user is staff. '''

    return user.is_staff

@user_passes_test(_staff_only)

def manual_payment(request, invoice_id):

    ''' Allows staff to make manual payments or refunds on an invoice.

[flake8]