old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  #
  # Flask application default config:
  # http://flask.pocoo.org/docs/config/#configuring-from-files
  # https://github.com/mbr/flask-appconfig
  
  
  project_name = u'Ninhursag'
  
  
  class Default(object):
      APP_NAME = project_name
  
      DEBUG = False
      TESTING = False
  
      # Servers and URLs
      SERVER_NAME = 'localhost:5000'
  
      # Authentication etc
      # To generate: import os; os.urandom(24)
      SECRET_KEY = 'some-secret-key'
      CSRF_ENABLED = True
  
      # API
      API_SERVER = SERVER_NAME
      API_TOKEN = 'some-api-token'
  
      # Flat pages
      FLATPAGES_ROOT = 'pages/flat'
      FLATPAGES_EXTENSION = '.md'
      FLATPAGES_MARKDOWN_EXTENSIONS = []
  
  
  class Dev(Default):
      APP_NAME = project_name + ' (dev)'
  
      DEBUG = True
  
      SERVER_NAME = '0.0.0.0:5000'
      API_SERVER = SERVER_NAME
  
  class Testing(Default):
      TESTING = True
      CSRF_ENABLED = False
  
  
  class Production(Default):
      pass
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  #
  # Flask application default config:
  # http://flask.pocoo.org/docs/config/#configuring-from-files
  # https://github.com/mbr/flask-appconfig
  
  
  project_name = u'Ninhursag'
  
  
  class Default(object):
      APP_NAME = project_name
  
      DEBUG = False
      TESTING = False
  
      # Servers and URLs
      SERVER_NAME = 'localhost:5000'
  
      # Authentication etc
      # To generate: import os; os.urandom(24)
      SECRET_KEY = 'some-secret-key'
      CSRF_ENABLED = True
  
      # API
      API_SERVER = SERVER_NAME
      API_TOKEN = 'some-api-token'
  
      # Flat pages
      FLATPAGES_ROOT = 'pages/flat'
      FLATPAGES_EXTENSION = '.md'
      FLATPAGES_MARKDOWN_EXTENSIONS = []
  
  
  class Dev(Default):
      APP_NAME = project_name + ' (dev)'
  
      DEBUG = True
  
      SERVER_NAME = '0.0.0.0:5000'
      API_SERVER = SERVER_NAME
  
  
  class Testing(Default):
      TESTING = True
      CSRF_ENABLED = False
  
  
  class Production(Default):
      pass
  
subject: Add back a newline to have two rows between class definitions.