[fix] fix empty asr result (#1794)

Xingchen Song(宋星辰)

2024-06-07 93a02feda1848531a48a1794a8de12a962c84a8e

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from fun_text_processing.inverse_text_normalization.tl.graph_utils import GraphFst
 
 
class FractionFst(GraphFst):
    """
    Finite state transducer for verbalizing fraction,
    """
 
    def __init__(self):
        super().__init__(name="fraction", kind="verbalize")