old_contents: from django.test.runner import DiscoverRunner
  
  from behave_django.environment import BehaveHooksMixin
  from behave_django.testcase import (BehaviorDrivenTestCase,
                                      ExistingDatabaseTestCase)
  
  
  class BehaviorDrivenTestRunner(DiscoverRunner, BehaveHooksMixin):
      """
      Test runner that uses the BehaviorDrivenTestCase
      """
      testcase_class = BehaviorDrivenTestCase
  
  
  class ExistingDatabaseTestRunner(DiscoverRunner, BehaveHooksMixin):
      """
      Test runner that uses the ExistingDatabaseTestCase
  
      This test runner nullifies Django's test database setup methods. Using this
      test runner would make your tests run with the default configured database
      in settings.py.
      """
      testcase_class = ExistingDatabaseTestCase
  
      def setup_databases(*args, **kwargs):
          pass
  
      def teardown_databases(*args, **kwargs):
          pass
  
new_contents: from django.test.runner import DiscoverRunner
  
  from behave_django.environment import BehaveHooksMixin
  from behave_django.testcase import (BehaviorDrivenTestCase,
                                      ExistingDatabaseTestCase)
  
  
  class BehaviorDrivenTestRunner(DiscoverRunner, BehaveHooksMixin):
      """
      Test runner that uses the BehaviorDrivenTestCase
      """
      testcase_class = BehaviorDrivenTestCase
  
  
  class ExistingDatabaseTestRunner(DiscoverRunner, BehaveHooksMixin):
      """
      Test runner that uses the ExistingDatabaseTestCase
  
      This test runner nullifies Django's test database setup methods. Using this
      test runner would make your tests run with the default configured database
      in settings.py.
      """
      testcase_class = ExistingDatabaseTestCase
  
      def setup_databases(self, **kwargs):
          pass
  
      def teardown_databases(self, old_config, **kwargs):
          pass
  
subject: Fix Landscape complaint "Method has no argument"