Update app.py

app.py

@@ -21,6 +21,10 @@ import requests
 import time
 import tempfile
 from langdetect import detect
+import nltk
+nltk.download('punkt')
+from nltk.tokenize import word_tokenize
+
 
 API_KEY = os.environ.get("OPENROUTER_API_KEY")
 
@@ -146,6 +150,7 @@ def retrieve_from_rag(user_query, chat_history):
         documents.append({
             "content": content.strip(),
             "metadata": metadata
+            print(metadata)
         })
 
     #  Rerank with BM25