code: def try_import_subword_nmt():
      try:
          import subword_nmt
      except ImportError:
          raise ImportError(
              "subword-nmt is not installed. You can run `pip install subword_nmt` "
              "to install the subword-nmt BPE implementation. You may also "
              "refer to the official installation guide in "
              "https://github.com/rsennrich/subword-nmt."
          )
      return subword_nmt
  
file_path: gluon-nlp/src/gluonnlp/utils/lazy_imports.py
label_desc: Use image node_id 3 for calling a global function with example usage: try_import_subword_nmt() and returns: subword_nmt