Update app.py

app.py

@@ -14,7 +14,7 @@ from langgraph.graph import START, StateGraph
 from langgraph.graph.message import add_messages
 from langgraph.prebuilt import ToolNode, tools_condition
 from langchain_mistralai import ChatMistralAI
-
+import librosa
 
 import getpass
 import os
@@ -48,6 +48,8 @@ def get_ref_content(path: str) -> str | object:
     """Retrieves content from the reference path provided."""
     if path.startswith('http'):
         file = requests.get(path).content
+    elif path.endswith('mp3'):
+        file = librosa.load(path)
     else:
         with open(path, "rb") as f:
             file = f.read()