code: def get_span_exporter():
      if OTEL_ENDPOINT:
          return set_otel_exporter()
  
      elif ZIPKIN_ENDPOINT:
          return set_zipkin_exporter()
  
      elif CONSOLE_TRACE_ENABLED:
          return set_console_exporter()
      else:
          print(
              "WARNING: endpoints not set up for Opentelemetry",
              file=sys.stderr,
          )
          return
  
imports: import sys
  from metaflow.metaflow_config import OTEL_ENDPOINT, ZIPKIN_ENDPOINT, CONSOLE_TRACE_ENABLED
label_desc: Use image node_id 1 for calling a global function with example usage: get_span_exporter() and returns: set_otel_exporter, set_zipkin_exporter, set_console_exporter