Update app.py

app.py

@@ -7,6 +7,7 @@ from typing import List, Tuple
 
 # Importing necessary packages
 from transformers import AutoConfig, AutoTokenizer, StoppingCriteria, StoppingCriteriaList, TextIteratorStreamer
+from langchain_community.tools import DuckDuckGoSearchRun
 from optimum.intel.openvino import OVModelForCausalLM
 import openvino as ov
 import openvino.properties as props