corretto formato del message per l'LLM nel tool analyze_mp3_file

tools.py

@@ -213,11 +213,14 @@ def get_analyze_mp3_tool(llm):
         all_text = ""
         try:
             # Read audio and encode as base64
-            with open(audio_path, "rb") as image_file:
-                audio_bytes = image_file.read()
+            with open(audio_path, "rb") as audio_file:
+                audio_bytes = audio_file.read()
 
             audio_base64 = base64.b64encode(audio_bytes).decode("utf-8")
 
+            # Determine the MIME type for MP3
+            audio_mime_type = "audio/mpeg" # Or "audio/mp3", "audio/wav" etc. for other formats
+
             # Prepare the prompt including the base64 image data
             message = [
                 HumanMessage(
@@ -230,9 +233,10 @@ def get_analyze_mp3_tool(llm):
                             ),
                         },
                         {
-                            "type": "audio_url",
-                            "audio_url": {"url": audio_base64},
-                        },
+                            "type": "media",              # <--- CORRECTED: Use 'media' type
+                            "data": audio_base64,         # <--- Use 'data' for the base64 content
+                            "mime_type": audio_mime_type, # <--- Specify the MIME type
+                        }
                     ]
                 )
             ]