fix empty asr result (#1765)

彭震东

2024-05-28 bd3b18016d573959a05d7af3f6d6f2f32ebdb728

 fun_text_processing/inverse_text_normalization/vi/verbalizers/whitelist.py

@@ -1,5 +1,3 @@


import pynini
from fun_text_processing.inverse_text_normalization.vi.graph_utils import (
    DAMO_CHAR,
@@ -25,5 +23,5 @@
            + pynini.closure(DAMO_CHAR - " ", 1)
            + pynutil.delete('"')
        )
        graph = graph @ pynini.cdrewrite(pynini.cross(u"\u00A0", " "), "", "", DAMO_SIGMA)
        graph = graph @ pynini.cdrewrite(pynini.cross("\u00A0", " "), "", "", DAMO_SIGMA)
        self.fst = graph.optimize()