old_contents: import os
  import sys
  
  import django
  from django.conf import settings
  from django.test.utils import get_runner
  
  if __name__ == "__main__":
      os.environ['DJANGO_SETTINGS_MODULE'] = 'tests.test_settings'
      django.setup()
      TestRunner = get_runner(settings)
      test_runner = TestRunner()
      failures = test_runner.run_tests(["tests"])
      sys.exit(bool(failures))
new_contents: # This file mainly exists to allow python setup.py test to work.
  import os
  import sys
  
  os.environ['DJANGO_SETTINGS_MODULE'] = 'tests.test_settings'
  test_dir = os.path.join(os.path.dirname(__file__), 'tests')
  sys.path.insert(0, test_dir)
  
  import django
  from django.test.utils import get_runner
  from django.conf import settings
  
  
  def runtests():
      TestRunner = get_runner(settings)
      test_runner = TestRunner(verbosity=1, interactive=True)
      if hasattr(django, 'setup'):
          django.setup()
      failures = test_runner.run_tests(['tests'])
      sys.exit(bool(failures))
  
  if __name__ == '__main__':
      runtests()
  
subject: update runtests