code: def orca_context_fixture(request):
      import os
      from zoo.orca import (
          OrcaContext,
          init_orca_context,
          stop_orca_context,
      )
  
      OrcaContext._eager_mode = True
      access_key_id = os.getenv("AWS_ACCESS_KEY_ID")
      secret_access_key = os.getenv("AWS_SECRET_ACCESS_KEY")
      if access_key_id is not None and secret_access_key is not None:
          env = {
              "AWS_ACCESS_KEY_ID": access_key_id,
              "AWS_SECRET_ACCESS_KEY": secret_access_key,
          }
      else:
          env = None
      sc = init_orca_context(
          cores=4,
          spark_log_level="INFO",
          env=env,
          object_store_memory="1g",
          init_ray_on_spark=True,
      )
      yield sc
      stop_orca_context()
  
label_desc: Use image node_id 1 for calling a global function with example usage: orca_context_fixture(request) without return types