message: Prevent SQLA warning related to SQLALCHEMY_TRACK_MODIFICATION
diff: @@ -46,6 +46,7 @@ SUPERSET_WEBSERVER_PORT = 8088
  SUPERSET_WEBSERVER_TIMEOUT = 60
  EMAIL_NOTIFICATIONS = False
  CUSTOM_SECURITY_MANAGER = None
  +SQLALCHEMY_TRACK_MODIFICATIONS = False
  # ---------------------------------------------------------
  # Your App secret key
  