old_contents: # Import the app object
  import os
  from wate import app
  from wate.db_ops import DB_USER_KEY
  from wate.db_ops import DB_PASS_KEY
  
  # Check for database variables
  assert DB_USER_KEY in os.environ, "Set the Database Username!"
  assert DB_PASS_KEY in os.environ, "Set the Database Password!"
  assert DB_HOST_KEY in os.environ, "Set the Database Host!"
  
  # Run
  app.run(host='0.0.0.0', debug = True)
  
new_contents: # Import the app object
  import os
  from wate import app
  from wate.db_ops import DB_USER_KEY, DB_PASS_KEY, DB_HOST_KEY
  
  
  # Check for database variables
  assert DB_USER_KEY in os.environ, "Set the Database Username!"
  assert DB_PASS_KEY in os.environ, "Set the Database Password!"
  assert DB_HOST_KEY in os.environ, "Set the Database Host!"
  
  # Run
  app.run(host='0.0.0.0', debug = True)
  
subject: Add missing import