old_contents: import os
  
  DEBUG = False
  TEMPLATE_DEBUG = False
  SECRET_KEY = os.environ['REVIEWS_HUB_SECRET_KEY']
  ALLOWED_HOSTS = []
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.postgresql_psycopg2',
          'NAME': '',                      
          'USER': '',
          'PASSWORD': '',
          'HOST': '',
          'PORT': '',
      }
  }
new_contents: import os
  
  DEBUG = False
  TEMPLATE_DEBUG = False
  SECRET_KEY = os.getenv('REVIEWS_HUB_SECRET_KEY')
  ALLOWED_HOSTS = []
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.postgresql_psycopg2',
          'NAME': '',                      
          'USER': '',
          'PASSWORD': '',
          'HOST': '',
          'PORT': '',
      }
  }
subject: fix production settings