old_contents: #!/usr/bin/env python
  import django
  import os
  import sys
  from django.conf import settings
  from django.core.management import execute_from_command_line
  
  from django.conf import settings, global_settings as default_settings
  from django.core.management import call_command
  from os.path import dirname, realpath
  
  
  # Give feedback on used versions
  sys.stderr.write('Using Python version {0} from {1}\n'.format(sys.version[:5], sys.executable))
  sys.stderr.write('Using Django version {0} from {1}\n'.format(
      django.get_version(),
      os.path.dirname(os.path.abspath(django.__file__)))
  )
  
  if not settings.configured:
      settings.configure(
          DEBUG = True,
          TEMPLATE_DEBUG = True,
          DATABASES = {
              'default': {
                  'ENGINE': 'django.db.backends.sqlite3',
                  'NAME': ':memory:'
              }
          },
          TEMPLATE_LOADERS = (
              'django.template.loaders.app_directories.Loader',
          ),
          TEMPLATE_CONTEXT_PROCESSORS = default_settings.TEMPLATE_CONTEXT_PROCESSORS + (
              'django.core.context_processors.request',
          ),
          INSTALLED_APPS = (
              'django.contrib.auth',
              'django.contrib.contenttypes',
              'django.contrib.messages',
              'django.contrib.sites',
              'django.contrib.admin',
              'polymorphic',
          ),
          MIDDLEWARE_CLASSES = (),
          SITE_ID = 3,
      )
  
  
  def runtests():
      argv = sys.argv[:1] + ['test', 'polymorphic', '--traceback'] + sys.argv[1:]
      execute_from_command_line(argv)
  
  if __name__ == '__main__':
      runtests()
  
new_contents: #!/usr/bin/env python
  import django
  import os
  import sys
  from django.conf import settings
  from django.core.management import execute_from_command_line
  
  from django.conf import settings, global_settings as default_settings
  from django.core.management import call_command
  from os.path import dirname, realpath
  
  
  # Give feedback on used versions
  sys.stderr.write('Using Python version {0} from {1}\n'.format(sys.version[:5], sys.executable))
  sys.stderr.write('Using Django version {0} from {1}\n'.format(
      django.get_version(),
      os.path.dirname(os.path.abspath(django.__file__)))
  )
  
  if not settings.configured:
      settings.configure(
          DEBUG = True,
          TEMPLATE_DEBUG = True,
          DATABASES = {
              'default': {
                  'ENGINE': 'django.db.backends.sqlite3',
                  'NAME': ':memory:'
              }
          },
          TEMPLATE_LOADERS = (
              'django.template.loaders.app_directories.Loader',
          ),
          TEMPLATE_CONTEXT_PROCESSORS = default_settings.TEMPLATE_CONTEXT_PROCESSORS + (
              'django.core.context_processors.request',
          ),
          TEST_RUNNER = 'django.test.runner.DiscoverRunner' if django.VERSION >= (1,7) else 'django.test.simple.DjangoTestSuiteRunner',
          INSTALLED_APPS = (
              'django.contrib.auth',
              'django.contrib.contenttypes',
              'django.contrib.messages',
              'django.contrib.sites',
              'django.contrib.admin',
              'polymorphic',
          ),
          MIDDLEWARE_CLASSES = (),
          SITE_ID = 3,
      )
  
  
  def runtests():
      argv = sys.argv[:1] + ['test', 'polymorphic', '--traceback'] + sys.argv[1:]
      execute_from_command_line(argv)
  
  if __name__ == '__main__':
      runtests()
  
subject: declare TEST_RUNNER to avoid Django 1.7 check warnings.