Update app.py

app.py

@@ -1,4 +1,4 @@
-from langchain_huggingface import HuggingFacePipeline as HF
+from langchain_huggingface import HuggingFaceEndpoint as HF
 from subprocess import Popen, PIPE as P
 from langchain_experimental.tools.python.tool import PythonREPLTool as PYT
 from langchain.agents import load_tools, create_structured_chat_agent as Agent,AgentExecutor as Ex, AgentType as Type