Update app.py

app.py

@@ -49,7 +49,8 @@ def get_conversation_chain(vectorstore):
         model="google/flan-t5-base",  # Smaller model for low-end systems
         tokenizer="google/flan-t5-base",
         max_new_tokens=512,  # Increase the maximum token output
-        temperature=0.7,  # Control creativity
+        #temperature=0.7,# Control creativity
+        do_sample=True,
         top_p=0.9,  # Nucleus sampling
         top_k=50,
          # Automatically fetches the token from Streamlit secrets