katsu.romaji("秋の日のヸオロンのためいきの身にしみてひたぶるにうら悲し。")
---------------------------------------------------------------------------
KeyError Traceback (most recent call last)
/tmp/ipykernel_2037/678387450.py in <module>
----> 1 katsu.romaji("秋の日のヸオロンのためいきの身にしみてひたぶるにうら悲し。")
~/miniconda3/envs/janlpbook/lib/python3.7/site-packages/cutlet/cutlet.py in romaji(self, text, capitalize, title)
143
144 # resolve split verbs / adjectives
--> 145 roma = self.romaji_word(word)
146 if roma and out and out[-1] == 'っ':
147 out = out[:-1] + roma[0]
~/miniconda3/envs/janlpbook/lib/python3.7/site-packages/cutlet/cutlet.py in romaji_word(self, word)
212 if word.char_type == 6 or word.char_type == 7: # hiragana/katakana
213 kana = jaconv.kata2hira(word.surface)
--> 214 return self.map_kana(kana)
215
216 # At this point this is an unknown word and not kana. Could be
~/miniconda3/envs/janlpbook/lib/python3.7/site-packages/cutlet/cutlet.py in map_kana(self, kana)
252 nk = kana[ki + 1] if ki < len(kana) - 1 else None
253 pk = kana[ki - 1] if ki > 0 else None
--> 254 out += self.get_single_mapping(pk, char, nk)
255 return out
256
~/miniconda3/envs/janlpbook/lib/python3.7/site-packages/cutlet/cutlet.py in get_single_mapping(self, pk, kk, nk)
285 else: return 'n'
286
--> 287 return self.table[kk]
288
KeyError: 'ヸ'
I think this is an old variant of "ヴィ".
Source: https://tatoeba.org/en/sentences/show/2478013