code: def insert_magic_bucket(base_url):
      if len(testbench_utils.all_buckets()) == 0:
          bucket_name = os.environ.get(
              "GOOGLE_CLOUD_CPP_STORAGE_TEST_BUCKET_NAME", "test-bucket"
          )
          bucket = gcs_bucket.GcsBucket(base_url, bucket_name)
          testbench_utils.insert_bucket(bucket_name, bucket)
  
imports: import argparse
  import error_response
  import flask
  import gcs_bucket
  import gcs_object
  import json
  import os
  import re
  import testbench_utils
  import time
  import sys
  from werkzeug import serving
  from werkzeug.middleware.dispatcher import DispatcherMiddleware
label_desc: Use image node_id 7 for calling a global function with example usage: insert_magic_bucket(base_url) without return types