old_contents: """
  Example of secret module with secure settings.
  
  Should be ignored by VCS (Git).
  """
  
  # Standard Django secret key (can be generated via http://www.miniwebtool.com/django-secret-key-generator/)
  # https://docs.djangoproject.com/en/dev/ref/settings/#secret-key
  SECRET_KEY = 'xf!mz_(en(p=tcp$-4%lse$9f55e+q)10rcve@bxhzcnrtv)hj-key'
  STATIC_ROOT = 'static/'
  ALLOWED_HOSTS = [] # add bridge host in production
  BRIDGE_HOST = 'localhost:8008'
  
  # related to `bridge_adaptivity/envs/pg.env`
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.postgresql',
          'NAME': 'bridge_db',
          'USER': 'bridge',
          'PASSWORD': 'bridge-adaptivity',
          'HOST': 'postgres',
          'PORT': 5432,
      }
  }
  
  # Comment Engine's parameters to use default Mock Adaptive Engine
  # ENGINE_MODULE = 'module.engines.engine_vpal'
  # ENGINE_DRIVER = 'EngineVPAL'
  # ENGINE_SETTINGS = {
  #     'HOST': 'https://example.com',
  #     'TOKEN': 'very_secure_token',
  # }
  
new_contents: """
  Example of secret module with secure settings.
  
  Should be ignored by VCS (Git).
  """
  
  # Standard Django secret key (can be generated via http://www.miniwebtool.com/django-secret-key-generator/)
  # https://docs.djangoproject.com/en/dev/ref/settings/#secret-key
  SECRET_KEY = 'xf!mz_(en(p=tcp$-4%lse$9f55e+q)10rcve@bxhzcnrtv)hj-key'
  STATIC_ROOT = 'static/'
  ALLOWED_HOSTS = []  # add bridge host in production
  BRIDGE_HOST = 'localhost:8008'
  
  # related to `bridge_adaptivity/envs/pg.env`
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.postgresql',
          'NAME': 'bridge_db',
          'USER': 'bridge',
          'PASSWORD': 'bridge-adaptivity',
          'HOST': 'postgres',
          'PORT': 5432,
      }
  }
  
  # Comment Engine's parameters to use default Mock Adaptive Engine
  # ENGINE_MODULE = 'module.engines.engine_vpal'
  # ENGINE_DRIVER = 'EngineVPAL'
  # ENGINE_SETTINGS = {
  #     'HOST': 'https://example.com',
  #     'TOKEN': 'very_secure_token',
  # }
  
subject: Fix formatting