code: def is_available(module_name: str):
      return importlib.util.find_spec(module_name) is not None
  
file_path: sahi/sahi/utils/import_utils.py
imports: import importlib.util
  import logging
  import os
label_desc: Use image node_id 3 for calling a global function with example usage: is_available(module_name) and returns: unknown