old_contents: from aiohttp import web
  from .batch import app
  
  web.run_app(app, host='0.0.0.0', port=5000)
  
new_contents: from aiohttp import web
  
  from hailtop import gear
  
  from .batch import app
  
  gear.configure_logging()
  web.run_app(app, host='0.0.0.0', port=5000)
  
subject: configure logging (#6873)