FIX 'NoneType' object has no attribute 'isalpha' (#2440)

passerbya

2025-03-20 5ee2f382b32c5c0beaa1c133b466a100c6fb7ebc

 funasr/models/paraformer/export_meta.py

@@ -77,6 +77,7 @@
            0: "batch_size",
        },
        "logits": {0: "batch_size", 1: "logits_length"},
        "token_num": {0: "batch_size"}
    }