code: def list_actions(self, context):
      return [
          ("clear", "Clear the stored flights."),
          ("shutdown", "Shut down this server."),
      ]
  
file_path: arrow/python/examples/flight/server.py
imports: import argparse
  import ast
  import threading
  import time
  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: list