code: def _remove_umlaut(word):
      return "".join(
          [umlaut_dict.get(letter, letter) for letter in word]
      )
  
file_path: cltk/src/cltk/stem/gmh.py
imports: import re
  from typing import Dict
  from cltk.alphabet.gmh import normalize_middle_high_german
  from cltk.stops.gmh import STOPS
  from cltk.tokenizers.gmh import MiddleHighGermanWordTokenizer
label_desc: Use image node_id 1 for calling a global function with example usage: _remove_umlaut(word) and returns: str