Update app.py

app.py

@@ -45,7 +45,7 @@ def parse_csv(file_path: str) -> str:
 @tool
 def transcribe_audio(audio_path: str) -> str:
     """
-    Transcribes spoken words in an audio file.
+    Transcribes spoken words in an audio file using Whisper.
 
     Args:
         audio_path: Path to the .mp3 or .wav file.
@@ -54,9 +54,17 @@ def transcribe_audio(audio_path: str) -> str:
         A transcription of the audio content as a string.
     """
     import whisper
-    model = whisper.load_model("base")
-    result = model.transcribe(audio_path)
-    return result.get("text", "No transcription result.")
+    import os
+
+    if not os.path.exists(audio_path):
+        return f"File not found: {audio_path}"
+
+    try:
+        model = whisper.load_model("base")
+        result = model.transcribe(audio_path)
+        return result.get("text", "No transcription result.")
+    except Exception as e:
+        return f"Transcription error: {e}"
 
 # === Tool 4: Web Search Tool ===
 @tool