code: def deprecation_warning(what):
      # show only this warning
      with warnings.catch_warnings():
          warnings.simplefilter("default")
          warnings.warn(what, Warning, stacklevel=2)
  
file_path: DALI/dali/python/nvidia/dali/backend.py
imports: from nvidia.dali.backend_impl import Init, OpSpec, LoadLibrary, GetCudaVersion, GetCufftVersion, GetNppVersion, GetNvjpegVersion
  from nvidia.dali.backend_impl import *
  from .None import __cuda_version__
  import warnings
  import os
  import sys
label_desc: Use image node_id 1 for calling a global function with example usage: deprecation_warning(what) without return types