new_contents: #!/usr/bin/python
  
  import os
  
  from main import app as application
  
  application.config['slack_team_name'] = os.environ['slack_team_name']
  application.config['slack_api_token'] = os.environ['slack_api_token']
  application.config['SECRET_KEY'] = os.environ['flask_app_secret']
  
  # Below for testing locally only
  if __name__ == '__main__':
      from wsgiref.simple_server import make_server
      httpd = make_server('localhost', 8051, application)
      # Wait for a single request, serve it and quit.
      httpd.serve_forever()
  
subject: Add `wsgi.py`