code: def get_ethosn_device_options():
      """Determine the NPU configuration used for testing."""
      default_target_string = (
          "ethos-n -variant=n78 -tops=1 -ple_ratio=2"
      )
      target_string = os.getenv(
          "ETHOSN_TEST_TARGET_CONFIG", default_target_string
      )
      target = parse_target(target_string)
      return target[0]["opts"]
  
imports: from __future__ import absolute_import, print_function
  from hashlib import md5
  from itertools import zip_longest, combinations
  import os
  from typing import Tuple
  import math
  import numpy
  from PIL import Image
  import tvm
  from tvm import relay
  from tvm.contrib import utils, graph_executor, download
  from tvm.relay.op.contrib import partition_for_ethosn
  from tvm.driver.tvmc.target import parse_target
  from .None import _infrastructure
label_desc: Use image node_id 16 for calling a global function with example usage: get_ethosn_device_options() and returns: target