Update app.py

app.py

@@ -49,9 +49,9 @@ def get_vectorstore(text_chunks):
 def get_conversation_chain(vectorstore):
     # Use HuggingFaceEndpoint with explicitly passed parameters
     llm = HuggingFaceEndpoint(
-        repo_id="google/flan-t5-base",
+        repo_id="sshleifer/distilbart-cnn-12-6",
         temperature=0.5,
-        max_new_tokens=248,  # Explicit parameter
+        max_new_tokens=128,  # Explicit parameter
     )
 
     # Initialize memory