code: def list_actions(self, context):
      return iter(
          [
              (
                  "getUniquePath",
                  "Get a unique FlightDescriptor path to put data to.",
              ),
              ("clear", "Clear the stored flights."),
              ("shutdown", "Shut down this server."),
          ]
      )
  
imports: import ast
  import logging
  import threading
  import time
  import uuid
  import pyarrow
  import pyarrow.flight
label_desc: Use image node_id 8 for calling the FlightServer obj's underlying member method code with example usage: obj.list_actions(context) and returns: iter