Update app.py

app.py

@@ -32,7 +32,7 @@ def describe_image(path: str) -> str:
     return image_captioner(path)[0]["generated_text"]
 
 @tool    
-def audio_to_text_tool(audio_file_path):
+def audio_to_text_tool(audio_file_path:str) -> str:
     """Converts audio file to text. requires audio file path. return transcribed text.
     Args:
         audio_file_path: path of audio data file