code: def health() -> FlaskResponse:
      stats_logger: BaseStatsLogger = app.config["STATS_LOGGER"]
      stats_logger.incr("health")
      return "OK"
  
imports: from superset import app, talisman
  from superset.stats_logger import BaseStatsLogger
  from superset.superset_typing import FlaskResponse
label_desc: Use image node_id 1 for calling a global function with example usage: health() and returns: str