code: def requires_backends(obj, backends):
      if not isinstance(backends, (list, tuple)):
          backends = [backends]
  
      name = (
          obj.__name__
          if hasattr(obj, "__name__")
          else obj.__class__.__name__
      )
      checks = (BACKENDS_MAPPING[backend] for backend in backends)
      failed = [
          msg.format(name)
          for available, msg in checks
          if not available()
      ]
      if failed:
          raise ImportError("".join(failed))
  
      if name in [
          "VersatileDiffusionTextToImagePipeline",
          "VersatileDiffusionPipeline",
          "VersatileDiffusionDualGuidedPipeline",
          "StableDiffusionImageVariationPipeline",
          "UnCLIPPipeline",
      ] and is_transformers_version("<", "4.25.0"):
          raise ImportError(
              f"You need to install `transformers>=4.25` in order to use {name}: \n```\n pip install"
              " --upgrade transformers \n```"
          )
  
      if name in [
          "StableDiffusionDepth2ImgPipeline",
          "StableDiffusionPix2PixZeroPipeline",
      ] and is_transformers_version("<", "4.26.0"):
          raise ImportError(
              f"You need to install `transformers>=4.26` in order to use {name}: \n```\n pip install"
              " --upgrade transformers \n```"
          )
  
imports: import importlib.util
  import operator
  import os
  import sys
  from collections import OrderedDict
  from itertools import chain
  from types import ModuleType
  from typing import Any, Union
  from huggingface_hub.utils import is_jinja_available
  from packaging import version
  from packaging.version import Version, parse
  from .None import logging
label_desc: Use image node_id 24 for calling a global function with example usage: requires_backends(obj, backends) without return types