code: def ratio(string_a, string_b):
          
          from cltk.utils.cltk_logger import logger
          try:
              from fuzzywuzzy import fuzz
  
          except ImportError as imp_err:  # pragma: no cover
              message = "'fuzzywuzzy' library required for this module: %s. Install with `pip install fuzzywuzzy python-Levenshtein`" % imp_err
              logger.error(message)
              print(message)
              raise ImportError
  
          return fuzz.ratio(string_a, string_b) / 100
docs: At the most basic level, return a Levenshtein distance ratio via
          fuzzywuzzy.
          :param string_a: str
          :param string_b: str
          :return: float