fix "can not find model issue when running libtorch runtime" (#2504)

Yu Cao

2025-10-01 c4ac64fd5d24bb3fc8ccc441d36a07c83c8b9015

 funasr/models/fsmn_vad_streaming/model.py

@@ -652,10 +652,11 @@
        key: list = None,
        tokenizer=None,
        frontend=None,
        cache: dict = {},
        cache: dict = None,
        **kwargs,
    ):

        if cache is None:
            cache = {}
        if len(cache) == 0:
            self.init_cache(cache, **kwargs)