code: def try_import_yttm():
      try:
          import youtokentome as yttm
      except ImportError:
          raise ImportError(
              "YouTokenToMe is not installed. You may try to install it via "
              "`pip install youtokentome`."
          )
      return yttm
  
file_path: gluon-nlp/src/gluonnlp/utils/lazy_imports.py
label_desc: Use image node_id 2 for calling a global function with example usage: try_import_yttm() and returns: yttm