new_contents: #!/usr/bin/env python
  """Django's command-line utility for administrative tasks."""
  import os
  import sys
  
  
  def main():
      # Add django-newsletter directory to Python module import paht
      newsletter_dir = os.path.join(os.path.dirname(__file__), '..')
      sys.path.insert(0, newsletter_dir)
  
      os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'test_project.settings')
      try:
          from django.core.management import execute_from_command_line
      except ImportError as exc:
          raise ImportError(
              "Couldn't import Django. Are you sure it's installed and "
              "available on your PYTHONPATH environment variable? Did you "
              "forget to activate a virtual environment?"
          ) from exc
      execute_from_command_line(sys.argv)
  
  
  if __name__ == '__main__':
      main()
  
subject: Add ./manage.py in test_project.