code: def warn(message, category=None, stacklevel=None):
      if stacklevel is None:
          stacklevel = find_stack_level()
  
      warnings.warn(message, category, stacklevel=stacklevel)
  
file_path: holoviews/holoviews/util/warnings.py
imports: import inspect
  import os
  import warnings
  import param
  from packaging.version import Version
label_desc: Use image node_id 1 for calling a global function with example usage: warn(message, category, stacklevel) without return types