old_contents: from unittest.mock import patch, Mock
  
  from django.test import TestCase, Client
  from django.urls import reverse
  
  from oscar.apps.customer.forms import EmailAuthenticationForm
  
  
  class TestAccountAuthView(TestCase):
  
      def setUp(self):
          self.client = Client()
  
      def test_request_is_passed_to_form(self):
          form_class = Mock(wraps=EmailAuthenticationForm)
          data = {"login_submit": ["1"]}
          initial = {'redirect_url': ''}
          with patch("oscar.apps.customer.views.AccountAuthView.login_form_class", new=form_class):
              response = self.client.post(reverse("customer:login"), data=data)
              assert form_class.called
              form_class.assert_called_with(
                  data=data,
                  files={},
                  host="testserver",
                  initial=initial,
                  prefix='login',
                  request=response.wsgi_request,
              )
  
new_contents: from unittest.mock import Mock, patch
  
  from django.test import Client, TestCase
  from django.urls import reverse
  
  from oscar.apps.customer.forms import EmailAuthenticationForm
  
  
  class TestAccountAuthView(TestCase):
  
      def setUp(self):
          self.client = Client()
  
      def test_request_is_passed_to_form(self):
          form_class = Mock(wraps=EmailAuthenticationForm)
          data = {"login_submit": ["1"]}
          initial = {'redirect_url': ''}
          with patch("oscar.apps.customer.views.AccountAuthView.login_form_class", new=form_class):
              response = self.client.post(reverse("customer:login"), data=data)
              assert form_class.called
              form_class.assert_called_with(
                  data=data,
                  files={},
                  host="testserver",
                  initial=initial,
                  prefix='login',
                  request=response.wsgi_request,
              )
  
subject: Fix isort check