[fix] better solution for handling empty result (#1796)

Xingchen Song(宋星辰)

2024-06-11 0bd1a4d6a9893e45438505514a063d9deee91f21

 fun_text_processing/inverse_text_normalization/vi/verbalizers/verbalize.py

@@ -1,4 +1,3 @@

from fun_text_processing.inverse_text_normalization.vi.graph_utils import GraphFst
from fun_text_processing.inverse_text_normalization.vi.verbalizers.cardinal import CardinalFst
from fun_text_processing.inverse_text_normalization.vi.verbalizers.date import DateFst