ovewrite top_k when crate audio classification pipeline (#35541)

* ovewrite top_k when crate audio classification pipeline

* Update src/transformers/pipelines/audio_classification.py

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Co-authored-by: Matt <[email protected]>

src/transformers/pipelines/audio_classification.py

@@ -92,7 +92,7 @@ class AudioClassificationPipeline(Pipeline):
 
     def __init__(self, *args, **kwargs):
         # Default, might be overriden by the model.config.
-        kwargs["top_k"] = 5
+        kwargs["top_k"] = kwargs.get("top_k", 5)
         super().__init__(*args, **kwargs)
 
         if self.framework != "pt":