code: def _configure_system():
      import os
      import platform
      import sys
  
      """Wraps system configuration to avoid 'leaking' variables into ray."""
  
      # Sanity check pickle5 if it has been installed.
      if "pickle5" in sys.modules:
          if sys.version_info >= (3, 8):
              logger.warning(
                  "Package pickle5 becomes unnecessary in Python 3.8 and above. "
                  "Its presence may confuse libraries including Ray. "
                  "Please uninstall the package."
              )
  
          import importlib.metadata
  
          try:
              version_str = importlib.metadata.version("pickle5")
              version = tuple(int(n) for n in version_str.split("."))
              if version < (0, 0, 10):
                  logger.warning(
                      "Although not used by Ray, a version of pickle5 that leaks memory "
                      "is found in the environment. Please run 'pip install pickle5 -U' "
                      "to upgrade."
                  )
          except importlib.metadata.PackageNotFoundError:
              logger.warning(
                  "You are using the 'pickle5' module, but "
                  "the exact version is unknown (possibly carried as "
                  "an internal component by another module). Please "
                  "make sure you are using pickle5 >= 0.0.10 because "
                  "previous versions may leak memory."
              )
  
      # Importing psutil & setproctitle. Must be before ray._raylet is
      # initialized.
      thirdparty_files = os.path.join(
          os.path.abspath(os.path.dirname(__file__)), "thirdparty_files"
      )
      sys.path.insert(0, thirdparty_files)
  
      if (
          platform.system() == "Linux"
          and "Microsoft".lower() in platform.release().lower()
      ):
          import ray._private.compat  # noqa: E402
  
          ray._private.compat.patch_psutil()
  
      # Expose ray ABI symbols which may be dependent by other shared
      # libraries such as _streaming.so. See BUILD.bazel:_raylet
      python_shared_lib_suffix = (
          ".so" if sys.platform != "win32" else ".pyd"
      )
      so_path = os.path.join(
          os.path.dirname(__file__),
          "_raylet" + python_shared_lib_suffix,
      )
      if os.path.exists(so_path):
          import ctypes
          from ctypes import CDLL
  
          CDLL(so_path, ctypes.RTLD_GLOBAL)
  
imports: from ray._private import log
  import logging
  import os
  import sys
  from ray import _version
  import ray._raylet
  from ray._raylet import ActorClassID, ActorID, NodeID, Config, JobID, WorkerID, FunctionID, ObjectID, ObjectRef, ObjectRefGenerator, DynamicObjectRefGenerator, TaskID, UniqueID, Language, PlacementGroupID
  from ray._private.state import nodes, timeline, cluster_resources, available_resources
  from ray._private.worker import LOCAL_MODE, SCRIPT_MODE, WORKER_MODE, RESTORE_WORKER_MODE, SPILL_WORKER_MODE, cancel, get, get_actor, get_gpu_ids, init, is_initialized, put, kill, remote, shutdown, wait
  import ray.actor
  from ray.actor import method
  from ray.cross_language import java_function, java_actor_class
  from ray.runtime_context import get_runtime_context
  from ray import internal
  from ray import util
  from ray import _private
  from ray.client_builder import client, ClientBuilder
  from ray._private.auto_init_hook import wrap_auto_init_for_all_apis
label_desc: Use image node_id 1 for calling a global function with example usage: _configure_system() without return types